| Item Name | Valve Regulating Fluid Pressure |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-752-9438 (007529438) |
| NCB Code | USA (00) |
| Manufacturer | Warren Controls Inc, Hammel Dahl Inc, Military Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAHV | SECOND END FLANGE OUTSIDE DIAMETER | 9.062 INCHES NOMINAL |
| AAQL | BODY STYLE | STRAIGHT THRU |
| ACKL | MEDIA FOR WHICH DESIGNED | WATER,SALT |
| ACKM | FIRST END CONNECTION TYPE | PLAIN FACE FLANGE |
| ACKN | FIRST END STYLE DESIGNATOR | PLAIN |
| ACKT | FIRST END FLANGE SHAPE STYLE | ROUND W/ BOLT HOLES |
| ACKU | FIRST END FLANGE THICKNESS | 1.062 INCHES NOMINAL |
| ACKZ | FIRST END BOLT HOLE QUANTITY | 10 |
| ACLA | FIRST END BOLT HOLE DIAMETER | 0.688 INCHES NOMINAL |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACLS | SECOND END CONNECTION TYPE | PLAIN FACE FLANGE |
| ACLT | SECOND END STYLE DESIGNATOR | PLAIN |
| ACLZ | SECOND END FLANGE THICKNESS | 0.562 INCHES NOMINAL |
| ACMF | SECOND END BOLT HOLE QUANTITY | 10 |
| ACMH | SECOND END BOLT CIRCLE DIAMETER | 7.812 INCHES NOMINAL |
| ACSH | SEAT MATERIAL | NICKEL COPPER ALLOY,MIL-N-894 |
| ADQL | FACE TO FACE DISTANCE | 15.000 INCHES NOMINAL |
| ADQU | FLOW CONTROL DEVICE | DISK,BOTTOM GUIDED |
| ADQV | FLOW CONTROL DEVICE MATERIAL | RUBBER,MIL-R-2765 |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVA | OUTLET PRESSURE RANGE | 25.0 TO 60.0 POUNDS PER SQUARE INCH |
| AEVR | VALVE LOADING METHOD | SPRING |
| AEWF | FILTER | NOT INCLUDED |
| MATT | MATERIAL | COPPER ALLOY 922 BODY |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY OUTLET PRESSURE RANGE |
| AAHF | FIRST END FLANGE OUTSIDE DIAMETER | 9.062 INCHES NOMINAL |
| ABEP | STEM MATERIAL | NICKEL COPPER ALLOY,MIL-N-894 |
| ACLB | FIRST END BOLT CIRCLE DIAMETER | 7.812 INCHES NOMINAL |
| ACLY | SECOND END FLANGE SHAPE STYLE | ROUND W/ BOLT HOLES |
| ACMG | SECOND END BOLT HOLE DIAMETER | 0.688 INCHES NOMINAL |
| ADZH | RENEWABLE SEAT RING TYPE | PRESSED-IN |
| AEVN | REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| AEVQ | VALVE STEM DESIGN | SINGLE SEAT |
| AEVZ | MAXIMUM INLET PRESSURE RATING | 250.0 POUNDS PER SQUARE INCH |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-16541,GRADE A MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Components Related to NSN - 4820-00-752-9438, 4820007529438 | ||||
| 4820-01-168-7617 (4820011687617) | 4820-00-036-1739 (4820000361739) | 4820-01-148-9383 (4820011489383) | 4820-01-416-7529 (4820014167529) | |
| 4810-01-036-3133 (4810010363133) | 4820-01-365-7068 (4820013657068) | 4820-00-475-4247 (4820004754247) | 4820-01-192-5887 (4820011925887) | |
| 4820-01-546-7933 (4820015467933) | 4820-00-366-2438 (4820003662438) | 4820-01-066-6185 (4820010666185) | 4810-00-670-3476 (4810006703476) | |
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