The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-519-6672, 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 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-519-6672 |
| Primary Part Number | FVMX-4L |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Imi Cash Valve Inc |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| First End Thread Series Designator | NPT |
| Temp Rating | 210.0 FAHRENHEIT DEGF |
| Second End Nominal Thread Size | 1.250 INCHES IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Thread Series Designator | NPT |
| End Connection Quantity | 2 |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | COPPER ALLOY BODY |
| Second End Connection Type | THREADED EXTERNAL PIPE |
| First End Nominal Thread Size | 1.000 INCHES IN |
| Adjustable Pressure Range | 75.0 TO 150.0 CAMERA MOUNT |
| 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 |
|---|---|
| FVMX-4L PRIMARY | Imi Cash Valve Inc (USA) |
NSN 4820-01-519-6672 is a Valve,relief,pressure and Temper, manufactured by Imi Cash Valve Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-519-6672 has 1 manufacturer part number on file: FVMX-4L (Imi Cash Valve Inc).
Key specifications for FVMX-4L: Flow Control Device: DIAPHRAGM; First End Thread Series Designator: NPT; Temp Rating: 210.0 FAHRENHEIT DEGF; Second End Nominal Thread Size: 1.250 INCHES IN. 12 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.