The Valve,safety Relief, cataloged under National Stock Number 4820-01-295-9673, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Clayton Manufacturing Company. Government technical data includes 4 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 | 4820-01-295-9673 |
| Primary Part Number | 28276 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Clayton Manufacturing Company |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Adjustable Pressure Range | +10.0 TO 30.0 POUNDS PER SQUARE INCH LBS |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| 28276 PRIMARY | Clayton Manufacturing Company (USA) |
NSN 4820-01-295-9673 is a Valve,safety Relief, manufactured by Clayton Manufacturing Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-295-9673 has 1 manufacturer part number on file: 28276 (Clayton Manufacturing Company).
Key specifications for 28276: Flow Control Device: DISK; Adjustable Pressure Range: +10.0 TO 30.0 POUNDS PER SQUARE INCH LBS; Material: COPPER ALLOY BODY; Valve Operation Method: AUTOMATIC. 4 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.