| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-055-7844 (010557844) |
| NCB Code | USA (01) |
| Manufacturer | Ge Aviation Systems Ltd, Circor Aerospace Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | -65.0 DEG FAHRENHEIT 1ST RESPONSE |
| AEHZ | MAXIMUM OPERATING TEMP | 180.0 DEG FAHRENHEIT 2ND RESPONSE |
| AHNC | CONNECTION STYLE | FLARE (TUBE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED INTERNAL TUBE ALL ENDS |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CQGM | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES ALL ENDS |
| MATT | MATERIAL | ALUMINUM OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | ALCOHOL,ETHYL 5TH RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | CARBON DIOXIDE 3RD RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | ETHYLENE GLYCOL 4TH RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL,HYDROCARBON 2ND RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| Relevant Components for NSN - 4820-01-055-7844, 4820010557844 | ||||
| 4820-00-826-2534 (4820008262534) | 4820-01-212-8639 (4820012128639) | 4820-01-299-5070 (4820012995070) | 4820-01-311-8336 (4820013118336) | |
| 4820-00-872-1404 (4820008721404) | 4810-01-699-7433 (4810016997433) | 4810-01-546-7955 (4810015467955) | 4820-01-596-0825 (4820015960825) | |
| 4820-01-327-4978 (4820013274978) | 4820-01-272-7691 (4820012727691) | 4820-00-453-3551 (4820004533551) | 4820-00-304-9412 (4820003049412) | |
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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