The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-327-5973, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Imi Cash Valve Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-327-5973 |
| Primary Part Number | FR-6-1/2-13367-325 DEG F-300 PSI |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Imi Cash Valve Inc |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | TEE |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| First End Style Designator | PLAIN |
| Temp Rating | 325.0 FAHRENHEIT NOMINAL DEGF |
| End Connection Quantity | 3 |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | COPPER ALLOY OR IRON BODY |
| Media for Which Designed | WATER, OIL OR GAS |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 1/2-14 NPT FIRST END |
| Filter | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11024156-1 | Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center (USA) |
| FR-6-1/2-13367-325 DEG F-300 PSI PRIMARY | Imi Cash Valve Inc (USA) |
| Reference | Meaning |
|---|---|
| 11024156 | 7/2 Vendor item drawing reference Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center |
| JS4-XS17-1AX33301A | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-327-5973 is a Valve,regulating,fluid Pressure, manufactured by Imi Cash Valve Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-327-5973 has 2 manufacturer part numbers on file: 11024156-1 (Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center), FR-6-1/2-13367-325 DEG F-300 PSI (Imi Cash Valve Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-327-5974, 4820-01-327-5975, 4820-01-327-5976. Verify interchangeability with system specifications before substitution.
Key specifications for FR-6-1/2-13367-325 DEG F-300 PSI: Flow Control Device: DIAPHRAGM; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: TEE. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.