AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Valve Pressure Equa |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-078-4788 (010784788) |
| NCB Code | USA (01) |
| Manufacturer | Northrop Grumman Systems Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAFZ | BODY MATERIAL | STEEL |
| AAJJ | MAXIMUM OPERATING PRESSURE | 45.0 POUNDS PER SQUARE INCH |
| AAQL | BODY STYLE | STRAIGHT THRU |
| ACKL | MEDIA FOR WHICH DESIGNED | GAS |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| ACKN | FIRST END STYLE DESIGNATOR | FLARED |
| ACLH | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES NOMINAL |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACLS | SECOND END CONNECTION TYPE | UNTHREADED INTERNAL HOSE |
| ACLT | SECOND END STYLE DESIGNATOR | HOSE SOCKET |
| ACML | SECOND END INSIDE DIAMETER HOSE ACCOMMODATED | 0.250 INCHES NOMINAL |
| ACMM | SECOND END OUTSIDE DIAMETER HOSE ACCOMMODATED | 0.250 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| ADQU | FLOW CONTROL DEVICE | NEEDLE |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADRN | FIRST END THREAD PITCH DIAMETERS | 0.5976/0.5978 INCHES |
| AFLE | VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
| AFLF | VALVE RELIEF DESIGN TYPE | PRESSURE AND VACUUM |
| AGAV | END ITEM IDENTIFICATION | USED ON MASTER GYRO COMPASS MK 27 MOD 1 SYSTEM ONBOARD VARIOUS COAST GUARD VESSELS |
| CQMM | FIRST END THREAD SERIES DESIGNATOR | UNEF |
| CQYM | FIRST END NOMINAL THREAD SIZE | 0.625 INCHES |
| CWBM | FIRST END THREAD TOLERANCE CLASS | 3A EXTERNAL |
| Relevant Components for NSN - 4820-01-078-4788, 4820010784788 | ||||
| 4810-01-097-1150 (4810010971150) | 4820-00-937-5914 (4820009375914) | 4820-00-079-0266 (4820000790266) | 4820-00-216-0126 (4820002160126) | |
| 4810-00-818-7576 (4810008187576) | 4820-01-172-6253 (4820011726253) | 4820-01-436-5947 (4820014365947) | 4820-01-367-9903 (4820013679903) | |
| 4820-00-411-2039 (4820004112039) | 4820-01-100-9100 (4820011009100) | 4810-01-509-0949 (4810015090949) | 4820-01-419-1626 (4820014191626) | |
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