| Item Name | Valve Safety Relief |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-990-4295 (009904295) |
| NCB Code | USA (00) |
| Manufacturer | Lunkenheimer Co, Northrop Grumman Systems Corporation, Westinghouse Electric Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 1213 | lunkenheimer co | valve safety relief | 37239 | RFQ |
| 342C722H07 | northrop grumman systems corporation | valve safety relief | 97942 | RFQ |
| 342C722H07 | westinghouse electric corp | valve safety relief | 79500 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST ENDRIGHT-HAND 2ND END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADST | BONNET ATTACHMENT METHOD | THREADED |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 550.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST ENDPLAIN (PIPE) 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST ENDTHREADED EXTERNAL PIPE 2ND END |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| CQCY | ADJUSTABLE PRESSURE RANGE | 1.0 TO 250.0 POUNDS PER SQUARE INCH |
| CQGM | MAXIMUM OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END0.500 INCHES 2ND END |
| CSDC | OPENING PRESSURE SETTING | 28.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | COPPER ALLOY BODYCOPPER ALLOY FLOW CONTROL DEVICECOPPER ALLOY SEAT |
| STYL | STYLE DESIGNATOR | ANGLE |
| THSD | THREAD SERIES DESIGNATOR | NPT 1ST ENDNPT 2ND END |
| Components Related to NSN - 4820-00-990-4295, 4820009904295 | ||||
| 4810-01-567-7671 (4810015677671) | 4820-00-811-2684 (4820008112684) | 4820-12-350-7803 (4820123507803) | 4810-01-606-1449 (4810016061449) | |
| 4820-01-235-1424 (4820012351424) | 4820-01-282-2547 (4820012822547) | 4820-00-936-3987 (4820009363987) | 4820-99-471-4151 (4820994714151) | |
| 4820-01-189-0797 (4820011890797) | 4820-01-123-0285 (4820011230285) | 4820-01-501-6459 (4820015016459) | 4810-00-719-6365 (4810007196365) | |
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.
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