The Valve,safety Relief, cataloged under National Stock Number 4820-00-452-6166, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Triumph Aerospace Operations Uk, Ltd. Div Staverton Site. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Triumph Aerospace Operations Uk, Ltd. Div Staverton Site (CAGE U7388); Triumph Group, Inc. (CAGE 6TW61) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-452-6166 |
| Primary Part Number | 102669001 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Triumph Aerospace Operations Uk, Ltd. Div Staverton Site |
| 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 |
|---|---|
| 102669001 | Triumph Aerospace Operations Uk, Ltd. Div Staverton Site (GBR) |
| 102669001 | Triumph Group, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 102669001 | 5/9 Secondary reference Bae Systems (operations) Limited |
| 1-02669-001 | 5/9 Secondary reference Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk |
| 99-1446170 | 6/9 Informative reference only U.S. Government activity |
| 102669001 | 3/9 Design control — primary reference Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk |
NSN 4820-00-452-6166 is a Valve,safety Relief, manufactured by Triumph Aerospace Operations Uk, Ltd. Div Staverton Site, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-452-6166 has 2 manufacturer part numbers on file: 102669001 (Triumph Aerospace Operations Uk, Ltd. Div Staverton Site), 102669001 (Triumph Group, 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.