| Item Name | Valve Regulating Fluid Pressure |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-521-0018 (015210018) |
| NCB Code | USA (01) |
| Manufacturer | Trac Regulators Inc, American Society For Testing, Military Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 40754-4 | trac regulators inc | valve regulating fluid pressure | 55378 | RFQ |
| 40754-4 ASSY 40754-401 | trac regulators inc | valve regulating fluid pressure | 55378 | RFQ |
| 40754-401 | trac regulators inc | valve regulating fluid pressure | 55378 | RFQ |
| F-1370-92 | american society for testing | valve regulating fluid pressure | 81346 | RFQ |
| MIL-V-2042 | military specifications | valve regulating fluid pressure | 81349 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAFZ | BODY MATERIAL | BRONZE, ASTM B61 |
| AAQL | BODY STYLE | STRAIGHT THRU |
| ABEP | STEM MATERIAL | NICKEL COPPER ALLOY |
| ACKL | MEDIA FOR WHICH DESIGNED | WATER |
| ACKM | FIRST END CONNECTION TYPE | UNTHREADED INTERNAL PIPE |
| ACKN | FIRST END STYLE DESIGNATOR | SOCKET |
| ACLG | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES |
| ACSH | SEAT MATERIAL | NICKEL COPPER ALLOY |
| ADQL | FACE TO FACE DISTANCE | 9.500 INCHES NOMINAL |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADQV | FLOW CONTROL DEVICE MATERIAL | RUBBER, BUNA-N |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADZH | RENEWABLE SEAT RING TYPE | RETAINING RING |
| AEVA | OUTLET PRESSURE RANGE | +5.0/+60.0 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 | 250.0 POUNDS PER SQUARE INCH |
| AEWF | FILTER | NOT INCLUDED |
| AGAV | END ITEM IDENTIFICATION | W/S NIMITZ |
| BZRS | END CONNECTION SPEC/STD | 53711-803-1385946 |
| CCFG | VALVE SIZE | 0.500 INCHES |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | PRESSURE REDUCING VALVE |
| FEAT | SPECIAL FEATURES | MANUFACTURER IDENTIFIES THIS VALVE AS 1/2 STYLE H SEA WATER PRESSURE REDUCING VALVE PER MIL-V-2042 TYPE II 250 LB. END CONNECTIONS ARE UNION END/TAILPIECES WITH 1 GROOVE. DRAWING NOTE 7: O-RINGS AND RETAINING RINGS PROVIDED ONLY WHEN SPECI |
| Components Related to NSN - 4820-01-521-0018, 4820015210018 | ||||
| 4820-00-775-3968 (4820007753968) | 4820-01-407-1380 (4820014071380) | 4810-01-384-9916 (4810013849916) | 4820-00-036-1498 (4820000361498) | |
| 4820-01-445-1127 (4820014451127) | 4820-01-431-0885 (4820014310885) | 4820-01-168-8308 (4820011688308) | 4820-00-967-1001 (4820009671001) | |
| 4820-01-136-3800 (4820011363800) | 4810-01-524-9684 (4810015249684) | 4820-01-068-2378 (4820010682378) | 4820-01-370-6648 (4820013706648) | |
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