| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-871-7391 (008717391) |
| NCB Code | USA (00) |
| Manufacturer | Dresser Industries Inc, Military Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| MATT | MATERIAL | COPPER ALLOY 922 BODY |
| MATT | MATERIAL | NICKEL ALLOY STEM |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A1 TYPE AND C CLASS |
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADST | BONNET ATTACHMENT METHOD | THREADED |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED |
| AHNC | CONNECTION STYLE | SOCKET WITH BRAZING RING ALL ENDS |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| AWLS | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |
| CQCY | ADJUSTABLE PRESSURE RANGE | 2301.0 TO 3600.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 3600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MATT | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE |
| MATT | MATERIAL | NICKEL ALLOY SEAT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| TMQY | FURNISHED ITEMS AND QUANTITY | 2 NUT |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY PAC CQCY |
| Relevant Components for NSN - 4820-00-871-7391, 4820008717391 | ||||
| 4820-00-969-2868 (4820009692868) | 4820-01-342-6892 (4820013426892) | 4820-01-419-3644 (4820014193644) | 4820-01-602-2298 (4820016022298) | |
| 4820-01-303-1169 (4820013031169) | 4810-01-702-1744 (4810017021744) | 4820-01-130-1712 (4820011301712) | 4820-99-562-3718 (4820995623718) | |
| 4820-01-034-1356 (4820010341356) | 4810-01-215-4235 (4810012154235) | 4810-01-199-4645 (4810011994645) | 4820-01-329-5696 (4820013295696) | |
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.
Request for Quote
