(!)Due to Microsoft's end of support for Internet Explorer 11 on 15/06/2022, this site does not support the recommended environment.
Our Business Hours:
Mon. - Fri. 8 a.m. - 6 p.m.
Mon. - Fri. 8 a.m. - 6 p.m.
All Categories
Categories
- Automation Components
- Linear Motion
- Rotary Motion
- Connecting Parts
- Rotary Power Transmission
- Motors
- Conveyors & Material Handling
- Locating, Positioning, Jigs & Fixtures
- Inspection
- Sensors, Switches
- Pneumatics, Hydraulics
- Vacuum Components
- Hydraulic Equipment
- Spray Equipment And Accessories
- Pipe, Tubes, Hoses & Fittings
- Modules, Units
- Heaters, Temperature Control
- Aluminum Extrusions, Framing, Support & Posts
- Casters, Leveling Mounts, Posts
- Doors, Cabinet Hardware
- Springs, Shock Absorbers
- Adjustment/Fastening Components, Pins, Magnets
- Antivibration, Soundproofing Materials, Safety Products
- Fasteners
- Materials
- Wiring Components
- LAN Cables / Industrial Network Cables
- Equipment Specific Cables
- Cordsets
- Computer & AV Cables
- Wire/Cable
- Connector (General Purpose)
- Crimp Terminal Components
- Cable Organization
- Cable Gland Components
- Cable Bushing/Clip/Sticker
- Screw/Spacer
- Cable accessories
- Tube
- Electrical Conduits
- Duct/Wiring
- Electrical Wiring Tools
- Dedicated tools
- Soldering supplies
- Electrical & Controls
- Cutting Tools
- Carbide End Mill
- HSS End Mill
- Concrete Drill Bits
- Milling Cutter Insert / Holder
- Core Drill Bits
- Customized Straight Blade End Mill
- Dedicated Cutter
- Crinkey Cutters
- Turning Tool
- Drill
- Cutting Tool Accessories
- Screw Hole Related Tools
- Reamer
- Electric Drill Bits
- Chamfering, Centering Tool
- Hole Saws
- Magnetic Drill Press Cutters
- Step Drills
- Wood Drills & Cutters
- Processing Tools
- packing & logistics storage supplies
- Safety Products
- research and development & cleanroom supplies
- Press Die Components
- Plastic Mold Components
- Ejector Pins
- Sleeves, Center Pins
- Core Pins
- Sprue bushings, Gates, and other components
- Date Mark Inserts, Recycle Mark Inserts, Pins with Gas Vent
- Undercut, Plates
- Leader Components, Components for Ejector Space
- Mold Opening Controllers
- Cooling or Heating Components
- Accessories, Others
- Components of Large Mold, Die Casting
- Injection Molding Components
- Purging Agent
- Injection Molding Machine Products
- Accessories of Equipment
- Auxiliary Equipment
- Air Nippers
- Air Cylinders
- Air Chuck for Runner
- Chuck Board Components
- Frames
- Suction Components
- Parallel Air Chuck
- Special Air Chuck
- Mold Maintenance
- Heating Items
- Heat Insulation Sheets
- Couplers, Plugs, One-touch Joints
- Tubes, Hoses, Peripheral Components
Applications
Brands
- Webcode Seach | Series
-
#CODE
- Discontinued Products
O-Rings - for Dynamic Applications, P Series (Part Numbers)
- On Sale Till 15/12/2024
- Volume Discount
•Material : Ethylene Propylene Rubber, Fluororubber, Nitrile Rubber, Silicon Rubber
For complete product overview and details on O-Rings - P Series see the sections below:
- inCAD Components
Part Number
Configured Part Number is shown.
・Materials
| Type | [ M ]Material | [ H ]Hardness (JIS Hs) | Color | Operating Temperature Range | JIS Symbol | Applications | Feature |
| NPA | Nitrile Rubber | 70±5 | Black | -30~100°C | Class 1 A | Mineral Oil Resistant | Most representative material with superior oil / abrasion resistance and heat stability. |
| NPB | Nitrile Rubber | 90±5 | Black | -25~100°C | Class 1 B | ||
| NPSW | Silicon Rubber | 50±5 | Milky White | -50~200°C | - | Heat Resistant | Having excellent high and low temperature resistances, this material has the widest range of operating temperatures among synthetic rubbers. It is suitable for food-related applications. |
| NPSK | Silicon Rubber | 70±5 | Scarlet Red | -50~200°C | Class 4 C | Heat Resistant | |
| NPF | Fluoro Rubber | 70±5 | Black | -15~200°C | Class 4 D | Best in oil / chemical resistance and heat stability as synthetic rubber. Suitable for a wide range of applications. | |
| NPFH | Fluoro Rubber | 90±5 | Black | -15~200°C | - | Heat Resistant | |
| NPEG | Ethylene Propylene Rubber | 70±5 | Black | -45~130°C | - | For weather resistant items | Excellent material in weather resistance, ozone resistance and electrical characteristics. |
| NPBR | Fluororesin | - | White | Subject to O-ring | - | For high voltage use | Used when the pressure resistance of O-ring is insufficient. |
Specifications
| Part Number |
| NPSK25.5 |
■JIS B 2407 Back-Up Rings (For the P Series, Bias Cut)
[ ! ]For orders larger than indicated quantity, please request a quotation.
| Part Number | Nominal No. of Applicable O-Rings | W | d | D | T | |||||
| Type | No. | |||||||||
| NPBR (Fluororesin, White) | 15 | P15 | 2.0 | +0.03 -0.05 | 15 | +0.15 0 | 19 | 0 -0.15 | 1.25 | ±0.1 |
| 16 | P16 | 16 | 20 | |||||||
| 18 | P18 | 18 | 22 | |||||||
| 20 | P20 | 20 | 24 | |||||||
| 21 | P21 | 21 | 25 | |||||||
| 22 | P22 | 22 | 26 | |||||||
| 22A | P22A | 3.0 | 22 | +0.20 0 | 28 | 0 -0.20 | ||||
| 24 | P24 | 24 | 30 | |||||||
| 25 | P25 | 25 | 31 | |||||||
| 26 | P26 | 26 | 32 | |||||||
| 28 | P28 | 28 | 34 | |||||||
| 30 | P30 | 30 | 36 | |||||||
| 32 | P32 | 32 | 38 | |||||||
| 34 | P34 | 34 | 40 | |||||||
| 38 | P38 | 38 | 44 | |||||||
| 40 | P40 | 40 | 46 | |||||||
| 42 | P42 | 42 | 48 | |||||||
| 48 | P48 | 48 | 54 | |||||||
| 50 | P50 | 50 | 56 | |||||||
■JIS B 2401 P Series (For Mounting, Dynamic)
| Part Number | JIS Nominal Number | W | I.D. | Matching Material | |||||||
| Type | No. | do | NPA, NPB Tolerance | NPSK, NPSW NPEG Tolerance | NPF, NPFH Tolerance | d | Tolerance | D | Tolerance | ||
| NPA (Nitrile Rubber, Black) NPB (Nitrile Rubber, Black) NPSW (Silicon Rubber, Milky White) NPSK (Silicon Rubber, Scarlet Red) NPF (Fluoro Rubber, Black) NPFH (Fluoro Rubber, Black) NPEG (Ethylene Propylene Rubber, Black) | 3 | P3 | 1.9±0.08 | 2.8 | ±0.14 | ±0.21 | ±0.16 | 3 | 0 -0.05 | 6 | +0.05 0 |
| 4 | P4 | 3.8 | 4 | 7 | |||||||
| 5 | P5 | 4.8 | ±0.15 | ±0.22 | ±0.18 | 5 | 8 | ||||
| 6 | P6 | 5.8 | 6 | 9 | |||||||
| 7 | P7 | 6.8 | ±0.16 | ±0.24 | ±0.19 | 7 | 10 | ||||
| 8 | P8 | 7.8 | 8 | 11 | |||||||
| 9 | P9 | 8.8 | ±0.17 | ±0.25 | ±0.20 | 9 | 12 | ||||
| 10 | P10 | 9.8 | 10 | 13 | |||||||
| 10A | P10A | 2.4±0.09 | 9.8 | 10 | 0 -0.06 | 14 | +0.06 0 | ||||
| 11 | P11 | 10.8 | ±0.18 | ±0.27 | ±0.21 | 11 | 15 | ||||
| 11.2 | P11.2 | 11.0 | 11.2 | 15.2 | |||||||
| 12 | P12 | 11.8 | ±0.19 | ±0.28 | ±0.22 | 12 | 16 | ||||
| 12.5 | P12.5 | 12.3 | 12.5 | 16.5 | |||||||
| 14 | P14 | 13.8 | 14 | 18 | |||||||
| 15 | P15 | 14.8 | ±0.20 | ±0.30 | ±0.24 | 15 | 19 | ||||
| 16 | P16 | 15.8 | 16 | 20 | |||||||
| 18 | P18 | 17.8 | ±0.21 | ±0.31 | ±0.25 | 18 | 22 | ||||
| 20 | P20 | 19.8 | ±0.22 | ±0.33 | ±0.26 | 20 | 24 | ||||
| 21 | P21 | 20.8 | ±0.23 | ±0.34 | ±0.27 | 21 | 25 | ||||
| 22 | P22 | 21.8 | ±0.24 | ±0.36 | ±0.28 | 22 | 26 | ||||
| 22A | P22A | 3.5±0.1 | 21.7 | 22 | 0 -0.08 | 28 | +0.08 0 | ||||
| 22.4 | P22.4 | 22.1 | 22.4 | 28.4 | |||||||
| 24 | P24 | 23.7 | 24 | 30 | |||||||
| 25 | P25 | 24.7 | ±0.25 | ±0.37 | ±0.30 | 25 | 31 | ||||
| 25.5 | P25.5 | 25.2 | 25.5 | 31.5 | |||||||
| 26 | P26 | 25.7 | ±0.26 | ±0.39 | ±0.31 | 26 | 32 | ||||
| 28 | P28 | 27.7 | ±0.28 | ±0.42 | ±0.33 | 28 | 34 | ||||
| 29 | P29 | 28.7 | ±0.29 | ±0.43 | ±0.34 | 29 | 35 | ||||
| 29.5 | P29.5 | 29.2 | 29.5 | 35.5 | |||||||
| 30 | P30 | 29.7 | 30 | 36 | |||||||
| 31 | P31 | 30.7 | ±0.30 | ±0.45 | ±0.36 | 31 | 37 | ||||
| 31.5 | P31.5 | 31.2 | ±0.31 | ±0.46 | ±0.37 | 31.5 | 37.5 | ||||
| 32 | P32 | 31.7 | 32 | 38 | |||||||
| 34 | P34 | 33.7 | ±0.33 | ±0.49 | ±0.39 | 34 | 40 | ||||
| 35 | P35 | 34.7 | ±0.34 | ±0.51 | ±0.40 | 35 | 41 | ||||
| 35.5 | P35.5 | 35.2 | 35.5 | 41.5 | |||||||
| 36 | P36 | 35.7 | 36 | 42 | |||||||
| 38 | P38 | 37.7 | ±0.37 | ±0.55 | ±0.44 | 38 | 44 | ||||
| 39 | P39 | 38.7 | 39 | 45 | |||||||
| 40 | P40 | 39.7 | 40 | 46 | |||||||
| 41 | P41 | 40.7 | ±0.38 | ±0.57 | ±0.45 | 41 | 47 | ||||
| 42 | P42 | 41.7 | ±0.39 | ±0.58 | ±0.48 | 42 | 48 | ||||
| 44 | P44 | 43.7 | ±0.41 | ±0.61 | ±0.49 | 44 | 50 | ||||
| 45 | P45 | 44.7 | 45 | 51 | |||||||
| 46 | P46 | 45.7 | ±0.42 | ±0.63 | ±0.50 | 46 | 52 | ||||
| 48 | P48 | 47.7 | ±0.44 | ±0.66 | ±0.52 | 48 | 54 | ||||
| 50 | P50 | 49.7 | ±0.45 | ±0.67 | ±0.54 | 50 | 56 | ||||
| 50A | P50A | 5.7±0.13 | 0 -0.10 | 60 | +0.10 0 | ||||||
| 52 | P52 | 51.6 | ±0.47 | ±0.70 | ±0.56 | 52 | 62 | ||||
| 53 | P53 | 52.6 | ±0.48 | ±0.72 | ±0.57 | 53 | 63 | ||||
| 55 | P55 | 54.6 | ±0.49 | ±0.73 | ±0.58 | 55 | 65 | ||||
| 56 | P56 | 55.6 | ±0.50 | ±0.75 | ±0.60 | 56 | 66 | ||||
| 58 | P58 | 57.6 | ±0.52 | ±0.78 | ±0.62 | 58 | 68 | ||||
| 60 | P60 | 59.6 | ±0.53 | ±0.79 | ±0.63 | 60 | 70 | ||||
| 62 | P62 | 61.6 | ±0.55 | ±0.82 | ±0.66 | 62 | 72 | ||||
| 63 | P63 | 62.6 | ±0.56 | ±0.84 | ±0.67 | 63 | 73 | ||||
| 65 | P65 | 64.6 | ±0.57 | ±0.85 | ±0.68 | 65 | 75 | ||||
| 67 | P67 | 66.6 | ±0.59 | ±0.88 | ±0.70 | 67 | 77 | ||||
| 70 | P70 | 69.6 | ±0.61 | ±0.91 | ±0.73 | 70 | 80 | ||||
| 71 | P71 | 70.6 | ±0.62 | ±0.93 | ±0.74 | 71 | 81 | ||||
| 75 | P75 | 74.6 | ±0.65 | ±0.97 | ±0.78 | 75 | 85 | ||||
| 80 | P80 | 79.6 | ±0.69 | ±1.03 | ±0.82 | 80 | 90 | ||||
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.
Loading...
Loading...
Stock
-
- Stock Item Only
Specification/Dimensions
-
Material
- Nitrile Rubber
- Ethylene Propylene Rubber
- Silicon Rubber
- Fluororubber
-
Wire diameter W(mm)
-
I.D. do (or d)(Ø)
-
JIS Nominal Number
-
Nominal No. of Applicable O-Rings
-
Hardness
- Hs50
- Hs70
- Hs90
- Not Provided
-
type
- NPA
- NPB
- NPBR
- NPEG
- NPF
- NPFH
- NPSK
- NPSW
-
Application
- Mineral Oil Resistant
- Heat Resistant
- Abrasion Resistant
- Chemical Resistant
- Weather Resistance
- Cold Resistance
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- Same day
- 8 Days or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- for O-Ring V Vacuum Flanges
- Oil Resistant Buna-N O-Rings
- Water-Resistant Neoprene O-Rings
- High Temperature Metal Detectable FDA Silicone O-Rings
- Chemical-Resistant Soft FDA Viton O-Rings
- Chemical-Resistant Viton O-Rings
- Oil-Resistant Internally Lubricated Buna-N O-Rings
- Oil-Resistant X-Profile Buna-N O-Rings
Complementary Products
MISUMI Unit Example related to this product
Tech Support
- 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
How can we improve?
How can we improve?
While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Customer Privacy Policy
Thank you for your cooperation.
While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Please use the inquiry form.
Customer Privacy Policy