| Item Name | Valve Check |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-819-5409 (008195409) |
| NCB Code | USA (00) |
| Manufacturer | Transdigm Group Inc, Lockheed Martin Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADQU | FLOW CONTROL DEVICE | DISK |
| AECS | BOLT HOLE QUANTITY | 6 1ST END |
| AHNC | CONNECTION STYLE | BEADED (HOSE) 2ND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | FLANGE 1ST END |
| CWCK | NOMINAL THICKNESS | 0.250 INCHES 1ST END |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.328 INCHES 1ST END |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL,HYDROCARBON SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| ADSU | DISK LOADING METHOD | SPRING |
| AWLS | CONNECTION TYPE | UNTHREADED EXTERNAL HOSE 2ND END |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 4.312 INCHES 1ST END |
| SFTT | SURFACE TREATMENT | ANODIZE |
| Relevant Components for NSN - 4820-00-819-5409, 4820008195409 | ||||
| 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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