| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-439-6931 (004396931) |
| NCB Code | USA (00) |
| Manufacturer | Air Logistics Corporation, Teledyne Industries Inc, Hydro Aire Inc, Airbus Helicopters Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | PISTON |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | 2.0 GALLONS PER MINUTE |
| AEHZ | MAXIMUM OPERATING TEMP | 160.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | GASKET SEAL(BOSS) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |
| CMLP | THREAD QUANTITY PER INCH | 20 ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 3300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.437 INCHES ALL ENDS |
| CQRB | SEAT ANGLE | 45.0 DEGREES ALL ENDS |
| CSDC | OPENING PRESSURE SETTING | 65.0 POUNDS PER SQUARE INCH |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES ALL ENDS |
| MATT | MATERIAL | ALUMINUM BODY |
| MATT | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS. |
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| Components Related to NSN - 4820-00-439-6931, 4820004396931 | ||||
| 4820-01-207-4765 (4820012074765) | 4810-01-288-4028 (4810012884028) | 4820-01-448-5478 (4820014485478) | 4820-01-669-0039 (4820016690039) | |
| 4820-00-289-0856 (4820002890856) | 4820-01-349-7107 (4820013497107) | 4820-01-251-6138 (4820012516138) | 4810-01-615-6216 (4810016156216) | |
| 4820-01-038-5445 (4820010385445) | 4820-01-171-6472 (4820011716472) | 4810-01-534-9910 (4810015349910) | 4820-01-254-9633 (4820012549633) | |
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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