55303M
View detailed technical data, stock status, and sourcing information for: 55303M
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A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.
0.4320 inches minimum and 0.4370 inches maximum inner member width, 17500 pounds static radial load rating, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, 0.3220 inches minimum and 0.3320 inches maximum outer member width, 0.6245 inches minimum and 0.6250 inches maximum outer member outside diameter
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Bore Diameter
- 0.2495 inches minimum and 0.2500 inches maximum
- Outer Member Outside Diameter
- 0.6245 inches minimum and 0.6250 inches maximum
- Outer Member Width
- 0.3220 inches minimum and 0.3320 inches maximum
- Inner Member Width
- 0.4320 inches minimum and 0.4370 inches maximum
- Static Radial Load Rating
- 17500 pounds
- Hardness Rating
- 50.0 rockwell c minimum and 60.0 rockwell c maximum inner member
- Hardness Rating
- 28.0 rockwell c minimum and 36.0 rockwell c maximum outer race member
- Material
- lubricant dry film lubrication
- Material
- steel comp 440c inner member
- Material
- steel comp 630 outer race member
- Material Document And Classification
- bms 3-8, mcdonnell douglas corp, mcdonnell aircraft division mfr ref single material response lubrication
- Style Designator
- without insert or liner
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 3120-01-034-5028 | No Name Available | 11/01/1994 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 55303M | Self-Aligning Plain Bearing |
| ABW4-5-12 | Self-Aligning Plain Bearing |
| AW4CRG12 | Self-Aligning Plain Bearing |
| BACB10A201GM2 | Self-Aligning Plain Bearing |
| BACB10X3MT | Self-Aligning Plain Bearing |
| BACB10X3TM | Self-Aligning Plain Bearing |
| BSSR-48C6EC2 | Self-Aligning Plain Bearing |
| BSSR4625-G | Self-Aligning Plain Bearing |
| HU4-136M | Self-Aligning Plain Bearing |
| KWB-4CRGD5 | Self-Aligning Plain Bearing |
| KWB-4SSG06 | Self-Aligning Plain Bearing |
| WS-4E-2 | Self-Aligning Plain Bearing |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 3120-01-040-8740?
Does the NSN 3120-01-040-8740 have a Schedule B code assigned?
Does NSN 3120-01-040-8740 require demilitarization?
Does NSN 3120-01-040-8740 contain precious materials?
Does NSN 3120-01-040-8740 contain hazardous materials?
When the NSN 3120-01-040-8740 was assigned to the Federal Catalog?
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