The Valve,safety Relief, cataloged under National Stock Number 4820-01-191-4061, 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 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-191-4061 |
| Primary Part Number | K-10 1/2 100T3001 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Imi Cash Valve Inc |
| Status | ACTIVE |
| Flow Control Device | PISTON |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | ANGLE |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Adjustable Pressure Range | +100.0 TO 300.0 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Material | BRONZE BODY |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| K-10 1/2 100T3001 PRIMARY | Imi Cash Valve Inc (USA) |
| 16514 1-2 100T300 PRIMARY | Imi Cash Valve Inc (USA) |
NSN 4820-01-191-4061 is a Valve,safety Relief, manufactured by Imi Cash Valve Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-191-4061 has 2 manufacturer part numbers on file: K-10 1/2 100T3001 (Imi Cash Valve Inc), 16514 1-2 100T300 (Imi Cash Valve Inc).
Key specifications for K-10 1/2 100T3001: Flow Control Device: PISTON; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: ANGLE. 11 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.