| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-540-2519 (005402519) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Military Standards Corp, Inspektorat Wsparcia Sil Zbrojnych, United Valve Company, Radio Shack Corp, Parker Hannifin Corporation, Northrop Grumman Systems Corporation, Teledyne Industries Inc, Allen Aircraft Products Inc, Military Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 695621-1 | lockheed martin corporation | valve check | RFQ |
| MS28884-12 | military standards corp | valve check | RFQ |
| 4820PL1235162 | inspektorat wsparcia sil zbrojnych | valve check | RFQ |
| 1111-517705 | united valve company | valve check | RFQ |
| 695621-1 | radio shack corp | valve check | RFQ |
| 1111-517705 | parker hannifin corporation | valve check | RFQ |
| 588-12D1 | parker hannifin corporation | valve check | RFQ |
| 588-12D1 | northrop grumman systems corporation | valve check | RFQ |
| MS28884A-12 | military standards corp | valve check | RFQ |
| 588-12D1 | teledyne industries inc | valve check | RFQ |
| 12C240 | allen aircraft products inc | valve check | RFQ |
| MIL-DTL-7899 | military specifications | valve check | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | MATERIAL | TUNGSTEN CARBIDE SEAT |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL,HYDROCARBON SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UN ALL ENDS |
| AAJD | THREAD CLASS | 3A ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 160.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | FLARED (TUBE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| BBJX | MOUNTING POSITION | HORIZONTAL |
| CMLP | THREAD QUANTITY PER INCH | 12 ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 1.500 INCHES ALL ENDS |
| CQRB | SEAT ANGLE | 37.0 DEGREES ALL ENDS |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |
| MATT | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Relevant Components for NSN - 4820-00-540-2519, 4820005402519 | ||||
| 4820-00-405-2314 (4820004052314) | 4820-01-644-7717 (4820016447717) | 4820-00-138-5801 (4820001385801) | 4820-01-478-3615 (4820014783615) | |
| 4810-01-231-9665 (4810012319665) | 4810-01-463-1795 (4810014631795) | 4820-01-270-4213 (4820012704213) | 4820-01-482-5390 (4820014825390) | |
| 4810-01-574-6488 (4810015746488) | 4820-01-375-3688 (4820013753688) | 4810-01-486-6370 (4810014866370) | 4820-01-562-8058 (4820015628058) | |
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