| Item Name | Valve Vacuum Regulating |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-454-9757 (004549757) |
| NCB Code | USA (00) |
| Manufacturer | Fairchild Industrial Products Co, Northrop Grumman Systems Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJP | OUTSIDE SURFACE TREATMENT | ANODIZED |
| AAQL | BODY STYLE | CROSS GIVE ADQM ADQN ADQP ADQQ ONLY IF FLANGED ALL ENDS |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL PIPE |
| ACKN | FIRST END STYLE DESIGNATOR | PLAIN |
| ACLG | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ACMX | THIRD END RELATIONSHIP WITH PRECEDING ENDS | IDENTICAL WITH FIRST END |
| ACPE | FOURTH END RELATIONSHIP WITH PRECEDING ENDS | IDENTICAL WITH FIRST END |
| ADQU | FLOW CONTROL DEVICE | DIAPHRAGM |
| ADQV | FLOW CONTROL DEVICE MATERIAL | POLYAMIDE NYLON AND RUBBER,BUNA-N |
| ADQZ | END CONNECTION QUANTITY | 4 |
| AEVX | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| CQRG | BODY MATERIAL | ALUMINUM ALLOY |
| Components Related to NSN - 4820-00-454-9757, 4820004549757 | ||||
| 4820-01-572-7837 (4820015727837) | 4820-01-478-2496 (4820014782496) | 4810-01-232-8702 (4810012328702) | 4820-12-340-3271 (4820123403271) | |
| 4820-01-424-4726 (4820014244726) | 4820-00-428-7011 (4820004287011) | 4810-01-707-6012 (4810017076012) | 4820-01-671-9772 (4820016719772) | |
| 4820-00-034-1423 (4820000341423) | 4820-01-160-8232 (4820011608232) | 4820-00-032-4754 (4820000324754) | 4810-01-516-2099 (4810015162099) | |
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