The Valve,safety Relief, cataloged under National Stock Number 4820-01-231-9536, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Brp Us Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Brp Us Inc (CAGE 1UVT5) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-231-9536 |
| Primary Part Number | 0321027 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 0321027 PRIMARY | Brp Us Inc (USA) |
| 321027 | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 321027 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| 321027 | 5/9 Secondary reference Evinrude Motors Product Group of Outboard Marine Corp |
| 0321027 | 3/9 Design control — primary reference Evinrude Motors Product Group of Outboard Marine Corp |
| 0321027 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| 321027 | 5/9 Secondary reference U.S. Government activity |
| 0321027 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-231-9536 is a Valve,safety Relief, manufactured by Brp Us Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-231-9536 has 2 manufacturer part numbers on file: 0321027 (Brp Us Inc), 321027 (Brp Us Inc).
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.