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O-Rings - for Larger Diameter Applications

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MISUMI

Different types of silicon and fluoro rubbers are added [6/30/2023].
O Rings with Wire Dia. and I.D. selectable

inCAD Components

Part Number

Configured Part Number is shown.

Drawing/Specifications
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Part Numbers
More Information
Catalog

・Materials

Type	[ M ]Material	[ H ]Hardness (JIS Hs)	Color	Operating Temperature Range	JIS Symbol
DFA	Nitrile Rubber	70±5	Black	-30~100°C	Class 1 A
DFB	Nitrile Rubber	90±5	Black	-25~100°C	Class 1 B
DFF	Fluoro Rubber	70±5	Black	-15~200°C	Class 4 D

Specifications

Part Number	-	do
DFA4	-	850

Part Number		Wire Dia. Tolerance	I.D. do 1mm Increment
Type	Wire Dia. W
DFA (Nitrile Rubber 70, Black) DFB (Nitrile Rubber 90, Black) DFF (Fluoro Rubber 70, Black)	3.1	±0.13	300~2000
	3.53
	4
	5.33	±0.15
	5.7
	6
	7
	8	±0.20
	8.4
	9	±0.25
	10	±0.30
	11
	12
	13	±0.39
	15
	16	±0.48
	18
	20

I.D.	I.D. tolerance
300~400	±2.82
401~500	±3.30
501~600	±4.00
601~700	±4.70
701~800	±5.30
801~900	±6.00
901~1000	±6.70
1001~1100	±7.50
1101~1200
1201~1300
1301~1400
1401~1500
1501~1600	±8.80
1601~1700	±9.40
1701~1800	+10.0~-10.4
1801~1900	+10.0~-11.2
1901~2000	+10.0~-11.7

[ ! ]Wire and I.D. tolerances of DFF are 1.5 times larger than those in the table above.

■Material Specification Table (JISB2401)

Type	DFA	DFB	DFF
JIS Symbol	Class 1 A	Class 1 B	Class 4 D
Tensile Strength (MPa)	9.8	14	9.8
Elongation (%)	250	100	200
Tensile Stress (MPa)	2.7	-	1.9
Compression Set (%)	40	40	40

Part Number

CAD Data download and 3D preview are not available because the part number has not yet been determined.

*In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.

CAD Download

: 30; 45; 60

Part Number
DFA3.1-[160-2000/1]
DFA3.53-[300-2000/1]
DFA4-[160-2000/1]
DFA5.7-[300-2000/1]
DFA5.33-[300-2000/1]
DFA6-[300-2000/1]
DFA7-[300-2000/1]
DFA8-[300-2000/1]
DFA8.4-[300-2000/1]
DFA9-[300-2000/1]
DFA10-[300-2000/1]
DFA11-[300-2000/1]
DFA12-[300-2000/1]
DFA13-[300-2000/1]
DFA15-[300-2000/1]
DFA16-[300-2000/1]
DFA18-[300-2000/1]
DFA20-[300-2000/1]
DFB3.1-[160-2000/1]
DFB3.53-[300-2000/1]
DFB4-[300-2000/1]
DFB5.7-[300-2000/1]
DFB5.33-[300-2000/1]
DFB6-[300-2000/1]
DFB7-[300-2000/1]
DFB8-[300-2000/1]
DFB8.4-[300-2000/1]
DFB9-[300-2000/1]
DFB10-[300-2000/1]
DFB11-[300-2000/1]
DFB12-[300-2000/1]
DFB13-[300-2000/1]
DFB15-[300-2000/1]
DFB16-[300-2000/1]
DFB18-[300-2000/1]
DFB20-[300-2000/1]
DFF3.1-[300-2000/1]
DFF3.53-[300-2000/1]
DFF4-[300-2000/1]
DFF5.7-[300-2000/1]
DFF5.33-[300-2000/1]
DFF6-[300-2000/1]
DFF7-[300-2000/1]
DFF8-[300-2000/1]
DFF8.4-[300-2000/1]
DFF9-[300-2000/1]
DFF10-[300-2000/1]
DFF11-[300-2000/1]
DFF12-[300-2000/1]
DFF13-[300-2000/1]
DFF15-[300-2000/1]
DFF16-[300-2000/1]
DFF18-[300-2000/1]
DFF20-[300-2000/1]

Minimum order quantity	Days to Ship	RoHS	Material	Material Code, JIS	Wire diameter W (mm)	I.D. do (or d) (Ø)	Hardness
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	3.1	160 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	3.53	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	4	160 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	5.7	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	5.33	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	6	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	7	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	8	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	8.4	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	9	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	10	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	11	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	12	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	13	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	15	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	16	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	18	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type A	20	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	3.1	160 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	3.53	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	4	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	5.7	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	5.33	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	6	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	7	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	8	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	8.4	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	9	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	10	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	11	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	12	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	13	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	15	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	16	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	18	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	Nitrile Rubber	A Type B	20	300 ～ 2000	90
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	3.1	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	3.53	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	4	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	5.7	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	5.33	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	6	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	7	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	8	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	8.4	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	9	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	10	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	11	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	12	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	13	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	15	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	16	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	18	300 ～ 2000	70
1 Piece(s)	15 Days or more	10	[Fluororubber] Fluororubber	Class 4 D	20	300 ～ 2000	70

More Information

■Feature
①Wire dia. and I.D. are selectable.
②Able to keep high level of air tightness
because of vulcanization molding.
③No breaks from joint parts.

Example

Product TOP

Basic Information

Type	ISO (For General Industry)

Configure

54 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Material
- Nitrile Rubber
- Fluororubber
  - Fluororubber
Clear
Wire diameter W(mm)
3.1

3.53

4

5.33

5.7

6

7

8

8.4

9

10

11

12

13

15

16

18

20
Clear
I.D. do (or d)(Ø)
[160-2000/1Ø Unit(s)]
Clear
Hardness
- 70
- 90
Clear
type
- DFA
- DFB
- DFF
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

15 Days or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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Technical Support: Tel：+52-442-672-7661 ext. 2 then wait and dial 4
E-mail: soportetecnico@misumimex.com; Mon. - Fri. 8 a.m. - 6 p.m.; Technical Inquiry

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O-Rings - for Larger Diameter Applications

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Specification/Dimensions

Material

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I.D. do (or d)(Ø)

Hardness

type

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Additional Products in this Category

Complementary Products

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