| Item Name | Valve Regulating Fluid Pressure |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-042-7137 (000427137) |
| NCB Code | USA (00) |
| Manufacturer | Parsons Ralph M Co The, Eaton Aerospace Ltd, Transdigm Group Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJP | OUTSIDE SURFACE TREATMENT | PASSIVATED |
| AAQL | BODY STYLE | STRAIGHT THRU |
| ABEP | STEM MATERIAL | STEEL,CORROSION RESISTING |
| ACKL | MEDIA FOR WHICH DESIGNED | AIR AND HELIUM AND NITROGEN,GASEOUS |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL BOSS |
| ACKN | FIRST END STYLE DESIGNATOR | OPTIONAL END |
| ACLJ | FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 7/16-20 UNF |
| ACLK | FIRST END THREAD CLASS | 3B |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ACSH | SEAT MATERIAL | RUBBER,SYNTHETIC |
| ADQT | PACKING MATERIAL | RUBBER,SYNTHETIC |
| ADQU | FLOW CONTROL DEVICE | DISK,TOP GUIDED |
| ADQV | FLOW CONTROL DEVICE MATERIAL | PLASTIC,TETRAFLUOROETHYLENE |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADZH | RENEWABLE SEAT RING TYPE | PRESSED-IN |
| AEVA | OUTLET PRESSURE RANGE | 0.0 TO 4000.0 POUNDS PER SQUARE INCH |
| AEVN | REGULATION TYPE | MANUAL SINGLE STAGE |
| AEVP | MANUAL CONTROL METHOD | SCREW |
| AEVQ | VALVE STEM DESIGN | SINGLE SEAT |
| AEVR | VALVE LOADING METHOD | SPRING |
| AEVZ | MAXIMUM INLET PRESSURE RATING | 6000.0 POUNDS PER SQUARE INCH |
| AEWF | FILTER | INCLUDED |
| AZKQ | TEMP RATING | -40.0 DEG CELSIUS MINIMUM AND 160.0 DEG CELSIUS MAXIMUM |
| MATT | MATERIAL | STEEL CORROSION RESISTING BODY |
| Relevant Components for NSN - 4820-00-042-7137, 4820000427137 | ||||
| 4820-01-560-5759 (4820015605759) | 4820-01-298-9351 (4820012989351) | 4820-01-545-4087 (4820015454087) | 4810-01-325-4666 (4810013254666) | |
| 4820-01-374-3466 (4820013743466) | 4810-01-453-8173 (4810014538173) | 4810-01-547-8647 (4810015478647) | 4820-01-453-6024 (4820014536024) | |
| 4820-01-510-0543 (4820015100543) | 4810-01-606-7570 (4810016067570) | 4820-01-071-1428 (4820010711428) | 4820-01-232-8464 (4820012328464) | |
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