| 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 |
| Components Related to NSN - 4820-01-066-9474, 4820010669474 | ||||
| 4820-00-287-3034 (4820002873034) | 4820-01-271-7886 (4820012717886) | 4820-01-714-5468 (4820017145468) | 4810-00-936-0709 (4810009360709) | |
| 4820-01-190-3734 (4820011903734) | 4820-01-482-1507 (4820014821507) | 4820-00-145-2608 (4820001452608) | 4820-01-438-4316 (4820014384316) | |
| 4820-00-035-7597 (4820000357597) | 4820-00-417-3438 (4820004173438) | 4820-01-027-8834 (4820010278834) | 4820-01-301-8497 (4820013018497) | |
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