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) | 00-446-3660 (004463660) |
| NCB Code | USA (00) |
| Manufacturer | Chalmers And Kubeck Inc, Dresser Industries Inc, Baker Hughes Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 1541D321 | chalmers and kubeck inc | valve safety relief | RFQ |
| 1541D-3-21-BR | dresser industries inc | valve safety relief | RFQ |
| 3 4-1541D-3 | dresser industries inc | valve safety relief | RFQ |
| 3 4-1541D-3-21 | dresser industries inc | valve safety relief | RFQ |
| 1541D321 | baker hughes inc | valve safety relief | RFQ |
| 214683 | dresser industries inc | valve safety relief | RFQ |
| 1541D | dresser industries inc | valve safety relief | RFQ |
| 1506 | dresser industries inc | valve safety relief | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 420.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (PIPE) 2ND END |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
| CMLP | THREAD QUANTITY PER INCH | 14 ALL ENDS |
| CQCY | ADJUSTABLE PRESSURE RANGE | 159.0/175.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 350.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS |
| CSDC | OPENING PRESSURE SETTING | 170.0 POUNDS PER SQUARE INCH |
| FEAT | SPECIAL FEATURES | W/LIFTING LEVER |
| MATT | MATERIAL | STEEL CORROSION RESISTING SEAT |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | ANGLE |
| THSD | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| Relevant Components for NSN - 4820-00-446-3660, 4820004463660 | ||||
| 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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