| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-074-1977 (010741977) |
| NCB Code | USA (01) |
| Manufacturer | Lockheed Martin Corporation, Martin Marietta Technologies Inc, The Lee Company |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 0631C0019 | lockheed martin corporation | valve check | 03538 | RFQ |
| 0631C0019 | martin marietta technologies inc | valve check | 54497 | RFQ |
| CKRX0500700A | the lee company | valve check | 92555 | RFQ |
| CKRX0500700AB | the lee company | valve check | 92555 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | UNTHREADED CARTRIDGE ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| FEAT | SPECIAL FEATURES | INCLUDES FILTER |
| MATT | MATERIAL | STEEL CORROSION RESISTING BODY |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU DROP-IN CARTRIDGE |
| Relevant Components for NSN - 4820-01-074-1977, 4820010741977 | ||||
| 4820-01-695-0145 (4820016950145) | 4820-01-596-1771 (4820015961771) | 4810-01-187-3363 (4810011873363) | 4810-01-523-6894 (4810015236894) | |
| 4820-00-707-0356 (4820007070356) | 4820-01-568-0815 (4820015680815) | 4820-01-227-9365 (4820012279365) | 4820-01-104-8145 (4820011048145) | |
| 4820-01-299-5713 (4820012995713) | 4820-01-640-9566 (4820016409566) | 4810-01-346-0666 (4810013460666) | 4820-01-655-5932 (4820016555932) | |
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