| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-788-0417 (007880417) |
| NCB Code | USA (00) |
| Manufacturer | Landoll Corporation, Grimes Aerospace Company, Weldon Tool Co The |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ACJN | OFFSET DISTANCE | 0.250 INCHES |
| ADZH | RENEWABLE SEAT RING TYPE | PRESSED-IN |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE AND VALVE STEM LOCK SHIELD |
| CQJX | NOMINAL THREAD SIZE | 0.437 INCHES ALL ENDS |
| CWDD | CENTER TO CENTER DISTANCE | 0.313 INCHES |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES ALL ENDS |
| FEAT | SPECIAL FEATURES | TAPPED MINUS 2 THDS IN RELIEF PORT |
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | PISTON |
| ADSU | DISK LOADING METHOD | SPRING |
| AHNC | CONNECTION STYLE | GASKET SEAL(BOSS) ALL ENDS |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |
| MATT | MATERIAL | PLASTIC FLOW CONTROL DEVICE |
| STYL | STYLE DESIGNATOR | TEE W/OFFSET |
| Relevant Components for NSN - 4820-00-788-0417, 4820007880417 | ||||
| 4820-01-251-8295 (4820012518295) | 4820-01-606-5732 (4820016065732) | 4820-01-504-6136 (4820015046136) | 4820-01-345-7050 (4820013457050) | |
| 4810-01-373-6377 (4810013736377) | 4810-01-079-4456 (4810010794456) | 4820-01-280-4146 (4820012804146) | 4820-01-651-8515 (4820016518515) | |
| 4820-01-688-1777 (4820016881777) | 4820-01-439-5575 (4820014395575) | 4820-01-228-6731 (4820012286731) | 4820-01-645-8483 (4820016458483) | |
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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