(!)Due to Microsoft's end of support for Internet Explorer 11 on 15/06/2022, this site does not support the recommended environment.
•Material : Ethylene Propylene Rubber, Fluororubber, Nitrile Rubber, Silicon Rubber
For complete product overview and details on O-Rings - P Series see the sections below:
Part Number
Configured Part Number is shown.
NPSK41
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. |
Part Number |
NPSK25.5 |
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 |
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 |
CAD Data download and 3D preview are not available because the part number has not yet been determined.
Part Number |
---|
NPSK41 |
Loading...
Please check the type/dimensions/specifications of the part NPSK41 in the O-Rings - for Dynamic Applications, P Series series.
Part Number |
---|
NPA11.2 |
NPA12 |
NPA12.5 |
NPSK42 |
NPSK44 |
NPSK45 |
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