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Compression Fittings（Connection Types：Related Components）

Compression fitting is the general term for a pipe used to indirectly help connect one part to another. Compression fittings also have names such as joints and connectors. They are used to connect pipes and hoses. There are types that enable single-action attachment of the fitting end. They are known by names such as quick couplings. Black screw-in fittings are often used in standard pipes. Stainless steel fittings are highly corrosion-resistant, suitable for outdoor use. Fittings with inserts improve part strength and durability. Besides stainless steel, compression fittings are made of materials such as brass and alloys (65% copper and 35% zinc). The right compression fitting for the application should be selected by considering factors such as material, shape and type.

22 items

: 30; 45; 60

Days to Ship	All Same day 3 Days or Less 6 Days or Less 7 Days or Less 8 Days or Less 9 Days or Less 10 Days or Less 11 Days or Less 12 Days or Less 13 Days or Less

Sleeve - Quick Seal, Nylon, SN Series【1-20 Pieces Per Package】

Nitta

Composed of three components: fitting body of the nylon sleeve, nut, and sleeve. The fitting body and insert are integrated. Also shows excellent performance at negative pressures.

Volume Discount

CAD ：

2D
Days to Ship: Same day or more

Show Stock Products
Washer - Disc Spring, Compression Fittings, 316SS, NSP Series【1-2 Pieces Per Package】

Nihon Pisco

All parts made of SUS316 to provide excellent corrosion resistance. *The CAD data for this series is being revised. This will be available as soon as modifications are complete.

Volume Discount

CAD ：

2D
Days to Ship: Same day or more

Show Stock Products
Cone - Compression Fittings, Plastic, S Series

Junkosha

Conforms to Japanese Industrial Standards JIS B8381 for pneumatic fittings. The mechanism clamps on to the tube insert with the sleeve and the cap nut for a reliable connection. With collar thread seal for each R (PT) thread size.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Cap Nut - Compression Fittings, Brass, UN Series

Junkosha

Conforms to Japanese Industrial Standards JIS B8381 "Pneumatic Fittings." Allows for reliable connections because the mechanism clamps onto the tube insertwith the sleeve and the cap nut. With collar thread seal for each R (PT) thread size.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Nut - Chemifit, CP Series【5 Pieces Per Package】

Nitta

Injection-molded for a smooth interior. Also, it excels in minimizing dust and vision. A special polypropylene resin is used as a base material.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Nut - Compression Fittings, Spatter Resistant, Brass, NKN Series

Nihon Pisco

Special brass is used for the metal body. Corrosion resistance to water is greatly improved. *The CAD data for this series is being revised. This will be available as soon as modifications are complete.

Volume Discount
Days to Ship: 13 Days or more
Cap - Compression Fittings, 316SS, NSN Series

Nihon Pisco

All parts made of SUS316 for excellent corrosion resistance. * The CAD data for this series is being revised. This will be available as soon as modifications are complete.

Volume Discount

CAD ：

2D
Days to Ship: 13 Days or more
Socket - Bulkhead, Compression Fittings, 316SS, NSMF Series

Nihon Pisco

All materials use SUS316 to provide excellent corrosion resistance.

[Features]
· SUS316, a substance with superior corrosion resistance, was used in all of the materials.
· The no-sleeve-required design eliminates issues of forgetting to attach or losing a sleeve.
· Purified with clean air and packaged in a Class 1000 clean room.
· Added inch sizes.
· Wide selection of products.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Nut with Guard Wire - Union, Compression Fittings, UNG Series

Junkosha

Conforms to Japanese Industrial Standards JIS B8381 "Pneumatic Fittings." Allows for reliable connections because the mechanism takes the tube insert and clamps onto it with the sleeve and the cap nut. With collar thread seal for each R (PT) thread size.

Volume Discount
Days to Ship: 12 Days or more
Cone - Compression Fittings, Brass, M Series

Junkosha

Conforms to Japanese Industrial Standards JIS B8381 "Pneumatic Fittings." Allows for reliable connections because the mechanism takes the tube insert and clamps onto it with the sleeve and the cap nut. With collar thread seal for each R (PT) thread size.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Nut - Quick Seal, Brass, N Series【1-20 Pieces Per Package】

Nitta

A brass nut with integrated body, nut, and sleeve. The fitting body and insert are integrated. Provides excellent performance at negative pressures.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Sleeve - Quick Seal, Brass, MSN Series

Nitta

- Composed of three components: the brass sleeve's fitting unit, nut, and sleeve. The fitting unit and insert are integrated. Also shows excellent performance at negative pressures.

Volume Discount

CAD ：

2D
Days to Ship: Same day or more

Show Stock Products
Nut - Quick Seal, 304SS, N Series

Nitta

Consists of three parts: a stainless steel nut/fitting main body, a nut, and a sleeve.

[Features]
· Screw-in type.
· A fitting main body, nut, and sleeve three-piece type.
· Demonstrates a strong sealing performance.
· The fitting main body and insert are integrated.
· A fitting with a superior negative-pressure performance.
· Made of SUS304. Therefore, it is strongly resistant to corrosion.
· A product that is compliant with JIS B 8381-1995 (Pneumatic system -- Flexible tubes -- Tube fittings).

Volume Discount

CAD ：

2D
Days to Ship: 7 Days or more
Insert - Chemifit, CP Series【5 Pieces Per Package】

Nitta

This inset has excellent flatness. Inner surface is smooth due to injection molding. A special polypropylene resin is used as a base material and excellent in non-dusting and non-polluting.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Sleeve - Chemifit, CP Series【5 Pieces Per Package】

Nitta

Inner surface is smooth due to injection molding. Also, it excels in minimizing dust and pollution. A special polypropylene resin is used as a base material.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Nut - Assembly, Chemifit, CSA Series【5 Pieces Per Package】

Nitta

The insert is integrated with the fitting unit, and sleeves are built into the assembly nuts, enabling the reuse of both components. Moreover, excellent durability is achieved by adopting the manufacturer's unique sealed structure.

[Features]
· A screw-in type fitting made of SUS316.
▪ Consists of two parts: assembly nut and a fitting unit that use the manufacturer's own unique structure.
· Greatly improves usability in terms of mounting and removing tubes.
▪ The fitting unit and insert are integrated. Sleeves are built in to the assembly nuts.
▪ The fitting unit and assembly nut both can both be reused.
· Uniform tube attachment.
Tubes are connected when the assembly nut reaches the fitting unit. No need for torque control or special tools.
▪ The sleeves inside the assembly nuts can rotate and as such the tube does not.
· A completely oil-free product.
▪ Assembled after cleaning each part in a clean room.
▪ The manufacturer's original sealing structure offers high durability against any degradation to sealing performance in cold and hot cycles.
▪ The structure succumbs to little in the way of stress relaxation, ensuring a high sealing performance over long periods of time and ensuring that the nut does not need to be re-tightened during maintenance.
▪ The surface coarseness is Ra3.2 or less. The 90° corner of the elbow has been made smooth and rounded, reducing the amount of liquid and detergent that remains.
▪ Prevents the fitting unit and assembly nut from seizing when a tube is inserted.

Volume Discount

CAD ：

2D
Days to Ship: 10 Days or more
Bushing - Chemifit, CSA Series

Nitta

The CSA series is a screw-in fitting made of SUS316. Drastically improved build and durability against degraded sealing performance; no assembly nut re-torquing required during maintenance.

Volume Discount

CAD ：

2D
Days to Ship: 8 Days or more
Insert Fittings KF Series, Union Nut KFN【10 Pieces Per Package】

SMC

A swivel-type union nut.

Volume Discount

CAD ：

2D / 3D
Days to Ship: 3 Days
Sleeve - Tube, Compression Fittings, Zinc-Plated Steel

USA Industrials

Compression tube sleeves fittings have a single sleeve which bites into tubing as you tighten the nut to create a strong seal. Zinc-plated steel is strong and has fair corrosion resistance.

Days to Ship: 13 Days
Nut - Compression Fittings, Zinc-Plated Steel

USA Industrials

Nut Compression fittings have a single sleeve which bites into tubing as you tighten the nut to create a strong seal. Zinc-plated steel is strong and has fair corrosion resistance.

Days to Ship: 13 Days or more
Connector - Straight, Instrumentation Tube Fittings, Female BSPP, Brass

USA Industrials

Straight Female-Female Compression fittings have a single sleeve which bites into tubing as you tighten the nut to create a strong seal. Compression fittings with two sleeves are known as instrumentation fittings and provides better gripping power for higher pressure applications. Brass is a durable material.

Days to Ship: 13 Days
90° Elbows - Instrumentation Tube Fittings, Double Ferrule, Brass, Inch

USA Industrials

Straight female-female Compression fittings have a single sleeve which bites into tubing as you tighten the nut to create a strong seal. Compression fittings with two sleeves are known as instrumentation fittings and provides better gripping power for higher pressure applications. Brass has a high temperature tolerance and very corrosion resistant.

Days to Ship: 13 Days

Days to Ship:	Same day or more

Days to Ship:	Same day or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	13 Days or more

Days to Ship:	13 Days or more

Days to Ship:	8 Days or more

Days to Ship:	12 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	Same day or more

Days to Ship:	7 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	10 Days or more

Days to Ship:	8 Days or more

Days to Ship:	3 Days

Days to Ship:	13 Days

Days to Ship:	13 Days or more

Days to Ship:	13 Days

Days to Ship:	13 Days


Brand
Product Series
CAD
Days to Ship
Connection Types
Thread-to-Tube Connection Shape
Tube-to-Tube Connection Shape
Thread-to-Tube Multipoint Connection Shape
Related Components, Shapes, Types
Material
Surface Treatment
Thread Types
Thread Size 1
Tube Size 1
Tube Size 2
Tube Inner Dia.(mm)


Brand	Nitta	Nihon Pisco	Junkosha	Junkosha	Nitta	Nihon Pisco	Nihon Pisco	Nihon Pisco	Junkosha	Junkosha	Nitta	Nitta	Nitta	Nitta	Nitta	Nitta	Nitta	SMC	USA Industrials	USA Industrials	USA Industrials	USA Industrials
Product Series	Sleeve - Quick Seal, Nylon, SN Series【1-20 Pieces Per Package】	Washer - Disc Spring, Compression Fittings, 316SS, NSP Series【1-2 Pieces Per Package】	Cone - Compression Fittings, Plastic, S Series	Cap Nut - Compression Fittings, Brass, UN Series	Nut - Chemifit, CP Series【5 Pieces Per Package】	Nut - Compression Fittings, Spatter Resistant, Brass, NKN Series	Cap - Compression Fittings, 316SS, NSN Series	Socket - Bulkhead, Compression Fittings, 316SS, NSMF Series	Nut with Guard Wire - Union, Compression Fittings, UNG Series	Cone - Compression Fittings, Brass, M Series	Nut - Quick Seal, Brass, N Series【1-20 Pieces Per Package】	Sleeve - Quick Seal, Brass, MSN Series	Nut - Quick Seal, 304SS, N Series	Insert - Chemifit, CP Series【5 Pieces Per Package】	Sleeve - Chemifit, CP Series【5 Pieces Per Package】	Nut - Assembly, Chemifit, CSA Series【5 Pieces Per Package】	Bushing - Chemifit, CSA Series	Insert Fittings KF Series, Union Nut KFN【10 Pieces Per Package】	Sleeve - Tube, Compression Fittings, Zinc-Plated Steel	Nut - Compression Fittings, Zinc-Plated Steel	Connector - Straight, Instrumentation Tube Fittings, Female BSPP, Brass	90° Elbows - Instrumentation Tube Fittings, Double Ferrule, Brass, Inch
CAD	2D	2D	2D	2D	2D		2D	2D		2D	2D	2D	2D	2D	2D	2D	2D	2D / 3D
Days to Ship	Same day or more Show Stock Products	Same day or more Show Stock Products	8 Days or more	8 Days or more	8 Days or more	13 Days or more	13 Days or more	8 Days or more	12 Days or more	8 Days or more	8 Days or more	Same day or more Show Stock Products	7 Days or more	8 Days or more	8 Days or more	10 Days or more	8 Days or more	3 Days	13 Days	13 Days or more	13 Days	13 Days
Connection Types	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components	Related Components
Thread-to-Tube Connection Shape	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Female Straight	Female Straight
Tube-to-Tube Connection Shape	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Thread-to-Tube Multipoint Connection Shape	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Related Components, Shapes, Types	Sleeves	Gaskets	Sleeves	Nuts	Nuts	Nuts	Nuts	Sockets	Nuts	Sleeves	Nuts	Sleeves	Nuts	Inserts	Sleeves	Nuts	Bushings	Nuts	Sleeves	Nuts	-	-
Material	Plastic	Stainless Steel	Plastic	Copper	Plastic	Copper	Stainless Steel	Stainless Steel	Copper	Copper	Copper	Copper	Stainless Steel	Plastic	Plastic	Stainless Steel	Stainless Steel	Copper	Steel	Steel	Brass	Brass
Surface Treatment	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	-	-	-	-
Thread Types	-	-	-	-	-	-	-	Rc	-	-	M	-	M	-	-	-	Rc	-	-	-	UNF	UNF
Thread Size 1	-	-	-	-	-	-	-	1/2 ～ 3/8	-	-	M6 ～ M22	-	M10 ～ M17	-	-	-	1/4 ～ 3/8	-	-	-	-	-
Tube Size 1	3.18 ～ 16	-	3.18 mm ～ 16 mm	4 mm ～ 16 mm	4 ～ 12	4 mm ～ 16 mm	4 mm ～ 16 mm	-	6 mm ～ 10 mm	4 mm ～ 16 mm	3.18 ～ 16	3.18 ～ 16	6 ～ 12.7	4 ～ 10	4 ～ 12	6 ～ 12	-	-	-	-	6mm ～ 12mm	1/2" ～ 3/8"
Tube Size 2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Tube Inner Dia.(mm)	-	-	-	-	-	-	2 ～ 13	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Configure

Stock

- Show Stock Products
Clear

Specification/Dimensions

Connection Types
- Thread to Tube Connection
- Thread to Tube Multipoint Connection
- Tube to Tube Equal Dia. Connection
- Tube to Tube Stepped Dia. Connection
- Pipe to Tube Connection
- Related Components
Clear

Thread-to-Tube Connection Shape
- Elbows
- Male Straight
- Female Straight
- Male Elbow
Clear

Tube-to-Tube Connection Shape
- Straight
- Elbows
- Tees
- Partition Unions
Clear

Thread-to-Tube Multipoint Connection Shape
- Tees
- Manifolds
Clear

Related Components, Shapes, Types
- Gaskets
- Nuts
- Bushings
- Sockets
- Sleeves
- Inserts
Clear

Material
Brass

Copper

Plastic

Stainless Steel

Steel
Clear

Surface Treatment
Nickel Plating

Not Provided
Clear

Thread Types
S(SAE J514)

G

IKOU

M

NPT

R

Rc

UNF
Clear

Metric / Inch
- metric
Clear

Thread Size 1
1/2

1/4

1/4B(8A)

1/8

1/8B(6A)

3/8

M6

M8

M10

M12

M14

M15

M17

M22
Clear

Tube Size 1
1/8"

3/16"

1/4"

3/8"

1/2"

1/4" x 10mm

1/4" x 12mm

1/4" x 4mm

1/4" x 6mm

10

10 mm

10mm

12

12 mm

12.7

12.7 mm

12.70 mm

12mm

14mm

15.88

16

16 mm

21

3.18

3.18 mm

3mm

4

4 mm

4.76

4.76 mm

4mm

6

6 mm

6.35

6.35 mm

6mm

7.94

7.94 mm

8

8 mm

8mm

9

9 mm

9.53

9.53 mm
Clear

Tube Size 2
1/8"

1/4"

3/8"

1/2"
Clear

Tube Inner Dia.(mm)
1.65

2

2.1

2.2

2.3

2.36

2.4

2.5

3

3.48

3.95

3.96

4

4.5

4.57

5

5.9

6

6.35

6.5

6.99

7.5

7.6

7.7

7.8

7.9

8

9

9.56

10

11

12

13

16
Clear