| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-285-6158 (012856158) |
| NCB Code | USA (01) |
| Manufacturer | Trw Limited |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED CARTRIDGE ALL ENDS |
| CQJX | NOMINAL THREAD SIZE | 0.875 INCHES ALL ENDS |
| CSDC | OPENING PRESSURE SETTING | 1900.0 POUNDS PER SQUARE INCH |
| FEAT | SPECIAL FEATURES | CARTRIDGE TYPE |
| MATT | MATERIAL | STEEL BODY |
| STYL | STYLE DESIGNATOR | SCREW-IN CARTRIDGE |
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| Components Related to NSN - 4820-01-285-6158, 4820012856158 | ||||
| 4820-01-146-7027 (4820011467027) | 4810-01-355-3183 (4810013553183) | 4810-01-419-8636 (4810014198636) | 4820-00-090-9826 (4820000909826) | |
| 4810-01-327-3142 (4810013273142) | 4810-01-061-6088 (4810010616088) | 4820-01-317-8225 (4820013178225) | 4820-00-682-7907 (4820006827907) | |
| 4810-01-367-2864 (4810013672864) | 4820-01-567-8742 (4820015678742) | 4810-00-124-3405 (4810001243405) | 4820-12-340-9380 (4820123409380) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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