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| Item Name | Valve Regulating Fluid Pressure |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-181-8937 (001818937) |
| NCB Code | USA (00) |
| Manufacturer | American Society For Testing, Military Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| ASTM F 1370 2KF1B | american society for testing | valve regulating fluid pressure | 81346 | RFQ |
| ASTM F1370 | american society for testing | valve regulating fluid pressure | 81346 | RFQ |
| ASTM F1370 2K1B | american society for testing | valve regulating fluid pressure | 81346 | RFQ |
| MIL-V-2042 | military specifications | valve regulating fluid pressure | 81349 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAHF | FIRST END FLANGE OUTSIDE DIAMETER | 6.625 INCHES NOMINAL |
| AAQL | BODY STYLE | STRAIGHT THRU |
| ACKL | MEDIA FOR WHICH DESIGNED | WATER,FRESH AND 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 | 0.500 INCHES NOMINAL |
| ACKZ | FIRST END BOLT HOLE QUANTITY | 8 |
| ACLA | FIRST END BOLT HOLE DIAMETER | 0.563 INCHES NOMINAL |
| ACLB | FIRST END BOLT CIRCLE DIAMETER | 5.500 INCHES NOMINAL |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ADQL | FACE TO FACE DISTANCE | 11.625 INCHES NOMINAL |
| ADQU | FLOW CONTROL DEVICE | DIAPHRAGM |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADZH | RENEWABLE SEAT RING TYPE | THREADED |
| AEVA | OUTLET PRESSURE RANGE | 25.0 TO 60.0 POUNDS PER SQUARE INCH |
| AEVN | REGULATION TYPE | AUTOMATIC DOUBLE STAGE |
| AEVQ | VALVE STEM DESIGN | SINGLE SEAT |
| AEVR | VALVE LOADING METHOD | SPRING |
| AEVZ | MAXIMUM INLET PRESSURE RATING | 150.0 POUNDS PER SQUARE INCH |
| AEWF | FILTER | NOT INCLUDED |
| AZKQ | TEMP RATING | 165.0 DEG FAHRENHEIT NOMINAL |
| SPCL | SPECIAL TEST FEATURES | HIGH-IMPACT SHOCK TEST ARE REQUIRED AS DIRECTED IN PARAGRAPHS 3.6 AND 4.4.2.3 OF MIL-V-2042 IN PAC TEST ABOVE |
| TEST | TEST DATA DOCUMENT | 81349-MILV2042 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS,BROCHURES,ETC.,THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS,INDUSTRY DIRECTORIES,AND SIMILAR TRADE PUBLICATIONS,REFLECTING |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE |
| Relevant Components for NSN - 4820-00-181-8937, 4820001818937 | ||||
| 4820-01-330-1569 (4820013301569) | 4820-01-278-3720 (4820012783720) | 4820-01-419-6919 (4820014196919) | 4820-01-172-6252 (4820011726252) | |
| 4820-00-797-2480 (4820007972480) | 4820-00-343-2117 (4820003432117) | 4820-01-498-9044 (4820014989044) | 4820-01-090-4543 (4820010904543) | |
| 4820-01-414-4430 (4820014144430) | 4810-01-586-5926 (4810015865926) | 4820-01-236-7657 (4820012367657) | 4820-00-383-6747 (4820003836747) | |
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