AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-883-4550 (008834550) |
| NCB Code | USA (00) |
| Manufacturer | Henry Technologies Limited, Process Supply Inc, Daimler Chrysler, Hartford Compressors Inc, Chrysler Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 2ND END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADST | BONNET ATTACHMENT METHOD | INTEGRAL |
| ADSU | DISK LOADING METHOD | SPRING |
| AHNC | CONNECTION STYLE | FLARED (TUBE) 1ST END |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 2ND END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 14 2ND END |
| CQGM | MAXIMUM OPERATING PRESSURE | 450.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES 2ND END |
| CQJX | NOMINAL THREAD SIZE | 0.875 INCHES 1ST END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.625 INCHES 1ST END |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 2ND END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADSR | BONNET TYPE | INSIDE SPRING |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CBBL | FEATURES PROVIDED | VALVE STEM LOCK SHIELD |
| CQRB | SEAT ANGLE | 37.0 DEGREES 1ST END |
| CSDC | OPENING PRESSURE SETTING | 300.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | COPPER ALLOY SEAT |
| MATT | MATERIAL | STEEL AND RUBBER SYNTHETIC FLOW CONTROL DEVICE |
| THSD | THREAD SERIES DESIGNATOR | NPT 2ND END |
| Relevant Components for NSN - 4820-00-883-4550, 4820008834550 | ||||
| 4810-01-693-0546 (4810016930546) | 4810-01-224-8636 (4810012248636) | 4810-00-181-8826 (4810001818826) | 4810-00-533-2538 (4810005332538) | |
| 4820-01-319-3454 (4820013193454) | 4820-01-154-9733 (4820011549733) | 4810-01-176-9496 (4810011769496) | 4820-01-278-5449 (4820012785449) | |
| 4810-01-152-7681 (4810011527681) | 4810-00-127-2787 (4810001272787) | 4820-00-557-7800 (4820005577800) | 4810-01-469-1460 (4810014691460) | |
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