The Valve,safety Relief, cataloged under National Stock Number 4820-01-177-4505, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pace Engineering, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Pace Engineering, Inc. (CAGE 9J083) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-177-4505 |
| Primary Part Number | 2P071 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pace Engineering, 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 |
|---|---|
| 2P071 PRIMARY | Pace Engineering, Inc. (USA) |
| Reference | Meaning |
|---|---|
| C71313 | D/9 Drawing number reference only O T S I |
| 2P071 | 5/9 Secondary reference O T S I |
| 1P669 | 5/9 Secondary reference O T S I |
NSN 4820-01-177-4505 is a Valve,safety Relief, manufactured by Pace Engineering, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-177-4505 has 1 manufacturer part number on file: 2P071 (Pace Engineering, 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.