The Valve,safety Relief, cataloged under National Stock Number 4820-01-260-2034, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rix Industries. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-260-2034 |
| Primary Part Number | 515-451-60 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rix Industries |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Style Designator | ANGLE |
| Adjustable Pressure Range | +5.0 TO 500.0 POUNDS PER SQUARE INCH LBS |
| Maximum Operating Temp | 180.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Material | COPPER ALLOY BODY |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 515-451-60 PRIMARY | Rix Industries (USA) |
| Reference | Meaning |
|---|---|
| 515-451 | 5/9 Secondary reference Rix Industries |
| 2P070 | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
NSN 4820-01-260-2034 is a Valve,safety Relief, manufactured by Rix Industries, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-260-2034 has 1 manufacturer part number on file: 515-451-60 (Rix Industries).
Key specifications for 515-451-60: Flow Control Device: DISK; Style Designator: ANGLE; Adjustable Pressure Range: +5.0 TO 500.0 POUNDS PER SQUARE INCH LBS; Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF. 7 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.