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| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-345-1868 (013451868) |
| NCB Code | USA (01) |
| Manufacturer | Lockheed Martin Corporation, Circor Aerospace Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 5122709-033-107 | lockheed martin corporation | valve check | RFQ |
| 259A-12TT-.5 | circor aerospace inc | valve check | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| THSD | THREAD SERIES DESIGNATOR | UNJ ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS |
| CMLP | THREAD QUANTITY PER INCH | 12 ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| AEHZ | MAXIMUM OPERATING TEMP | 275.0 DEG FAHRENHEIT SINGLE RESPONSE |
| BBJX | MOUNTING POSITION | HORIZONTAL |
| CQJX | NOMINAL THREAD SIZE | 1.062 INCHES ALL ENDS |
| CQRB | SEAT ANGLE | 37.0 DEGREES ALL ENDS |
| AAJD | THREAD CLASS | 3A ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS |
| CSDC | OPENING PRESSURE SETTING | 0.5 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Relevant Components for NSN - 4820-01-345-1868, 4820013451868 | ||||
| 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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