The Valve,safety Relief, cataloged under National Stock Number 4820-01-251-7619, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sears, Roebuck and Co. Dba Sears Div Sears Commercial. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-251-7619 |
| Primary Part Number | 807498 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sears, Roebuck and Co. Dba Sears Div Sears Commercial |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS. |
| 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 |
|---|---|
| V386455 PC 8 | Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA) |
| 807498 PRIMARY | Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA) |
| Reference | Meaning |
|---|---|
| 285171 | 5/9 Secondary reference Sears, Roebuck and Co. Dba Sears Div Sears Commercial |
NSN 4820-01-251-7619 is a Valve,safety Relief, manufactured by Sears, Roebuck and Co. Dba Sears Div Sears Commercial, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-251-7619 has 2 manufacturer part numbers on file: V386455 PC 8 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 807498 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-335-1863. Verify interchangeability with system specifications before substitution.
Key specifications for 807498: Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.; Valve Operation Method: AUTOMATIC. 2 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.