| Item Name | Valve Regulating Fluid Pressure |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-997-8936 (009978936) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Navair And Navsea Managed |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJP | OUTSIDE SURFACE TREATMENT | COATING,MIL-C-15328 AND ZINC CHROMATE,JAN-P-735 AND PAINT GRAY ENAMEL,MIL-E-15090 TYPE 2 CLASS 2 |
| AAQL | BODY STYLE | STRAIGHT THRU |
| ACKL | MEDIA FOR WHICH DESIGNED | ETHYLENE GLYCOL AND WATER,FRESH |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL PIPE |
| ACKN | FIRST END STYLE DESIGNATOR | PLAIN |
| ACLJ | FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.375-18 NPT |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ADQL | FACE TO FACE DISTANCE | 3.875 INCHES NOMINAL |
| ADQU | FLOW CONTROL DEVICE | PISTON,SPRING LOADED |
| ADQV | FLOW CONTROL DEVICE MATERIAL | BRONZE,QQ-B-691 COMP 2 FSCM 81348 |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVA | OUTLET PRESSURE RANGE | 40.0 TO 110.0 POUNDS PER SQUARE INCH |
| AEVN | REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| AEVQ | VALVE STEM DESIGN | SINGLE SEAT |
| AEVR | VALVE LOADING METHOD | SPRING |
| AEVZ | MAXIMUM INLET PRESSURE RATING | 150.0 POUNDS PER SQUARE INCH |
| AEWA | OUTLET PRESSURE SETTING | 65.0 POUNDS PER SQUARE INCH |
| AEWF | FILTER | NOT INCLUDED |
| MATT | MATERIAL | COPPER ALLOY 836 BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-691 COMP 2 FSCM 81348 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Relevant Components for NSN - 4820-00-997-8936, 4820009978936 | ||||
| 4810-01-547-2012 (4810015472012) | 4820-01-698-0859 (4820016980859) | 4810-01-240-8588 (4810012408588) | 4820-01-380-2942 (4820013802942) | |
| 4820-01-226-2114 (4820012262114) | 4820-01-457-2193 (4820014572193) | 4820-01-420-4996 (4820014204996) | 4820-00-758-7343 (4820007587343) | |
| 4820-01-435-2099 (4820014352099) | 4810-01-178-7003 (4810011787003) | 4810-01-259-7300 (4810012597300) | 4820-01-200-8668 (4820012008668) | |
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