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) | 00-845-4168 (008454168) |
| NCB Code | USA (00) |
| Manufacturer | Snowbird Environmental Systems, Henry Technologies Limited |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADST | BONNET ATTACHMENT METHOD | INTEGRAL |
| ADSY | VALVE DISCHARGE FLOW RATE | 504.0 POUNDS PER HOUR |
| AEHZ | MAXIMUM OPERATING TEMP | 200.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 18 1ST END |
| CQCY | ADJUSTABLE PRESSURE RANGE | 301.0 TO 350.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 350.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END |
| MATT | MATERIAL | COPPER ALLOY BODY |
| MATT | MATERIAL | COPPER ALLOY STEM |
| MATT | MATERIAL | STEEL SEAT |
| STYL | STYLE DESIGNATOR | ANGLE |
| THSD | THREAD SERIES DESIGNATOR | NPTF 1ST END |
| ADSU | DISK LOADING METHOD | SPRING |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 1ST END |
| CBBL | FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND BONNET PACKING |
| MEDA | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE |
| Relevant Components for NSN - 4820-00-845-4168, 4820008454168 | ||||
| 4820-01-573-8320 (4820015738320) | 4820-00-467-8973 (4820004678973) | 4820-01-386-0694 (4820013860694) | 4820-00-757-2955 (4820007572955) | |
| 4820-01-182-4540 (4820011824540) | 4810-00-405-7557 (4810004057557) | 4810-01-714-4038 (4810017144038) | 4820-00-289-3941 (4820002893941) | |
| 4810-01-498-2634 (4810014982634) | 4820-01-153-1851 (4820011531851) | 4820-01-232-8015 (4820012328015) | 4820-01-425-3725 (4820014253725) | |
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