The Valve,vacuum Regulating, cataloged under National Stock Number 4820-01-474-8733, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Evac North America Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,vacuum Regulating |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Evac North America Inc (CAGE 47WD8) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-474-8733 |
| Primary Part Number | 7150033 |
| Item Name | Valve,vacuum Regulating |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Evac North America Inc |
| 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 |
|---|---|
| 7150033 PRIMARY | Evac North America Inc (USA) |
| Reference | Meaning |
|---|---|
| 7150033-001 | 5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
| 7150033-001 | 5/9 Secondary reference Evac North America Inc |
NSN 4820-01-474-8733 is a Valve,vacuum Regulating, manufactured by Evac North America Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-474-8733 has 1 manufacturer part number on file: 7150033 (Evac North America Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-718-9137. Verify interchangeability with system specifications before substitution.
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.