The Valve,vacuum Breaking, cataloged under National Stock Number 4820-01-159-1990, 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. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,vacuum Breaking |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Sears, Roebuck and Co. Dba Sears Div Sears Commercial (CAGE 53800) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-159-1990 |
| Primary Part Number | 356363 |
| Item Name | Valve,vacuum Breaking |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sears, Roebuck and Co. Dba Sears Div Sears Commercial |
| Status | ACTIVE |
| 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 |
|---|---|
| 356363 | Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA) |
| Reference | Meaning |
|---|---|
| 356363 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-159-1990 is a Valve,vacuum Breaking, manufactured by Sears, Roebuck and Co. Dba Sears Div Sears Commercial, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-159-1990 has 1 manufacturer part number on file: 356363 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial).
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.