| Item Name | Valve Vacuum Breaking |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-066-9474 (010669474) |
| NCB Code | USA (01) |
| Manufacturer | Raytheon Company, Circor Aerospace Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAFZ | BODY MATERIAL | BRASS,QQ-B-626,ALLOY 360,1/2H |
| AAQL | BODY STYLE | SINGLE CONNECTION,STRAIGHT FLOW |
| ACKL | MEDIA FOR WHICH DESIGNED | ANY ACCEPTABLE |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE |
| ACKN | FIRST END STYLE DESIGNATOR | PLAIN |
| ACLG | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ADQU | FLOW CONTROL DEVICE | CONE |
| ADQV | FLOW CONTROL DEVICE MATERIAL | BRASS,QQ-B-626,ALLOY 360,1/2H |
| ADQZ | END CONNECTION QUANTITY | 1 |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| AFLG | ABSOLUTE PRESSURE SETTING | 0.5 |
| Relevant Components for NSN - 4820-01-066-9474, 4820010669474 | ||||
| 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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