| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-021-2391 (000212391) |
| NCB Code | USA (00) |
| Manufacturer | Haldex Brake Products Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
| AZGM | MOUNTING FACILITY | THREADED FASTENER |
| CMLP | THREAD QUANTITY PER INCH | 14 1ST END |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES 1ST END |
| CWCL | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 1.460 INCHES |
| CWCR | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 1.460 INCHES |
| CWDD | CENTER TO CENTER DISTANCE | 1.880 INCHES |
| MATT | MATERIAL | STEEL BODY |
| THSD | THREAD SERIES DESIGNATOR | NPTF 1ST END |
| Components Related to NSN - 4820-00-021-2391, 4820000212391 | ||||
| 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) | |
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