The Valve Safety Relief, cataloged under National Stock Number 5420-00-896-1985, is classified within Federal Supply Class 5420 (Bridges, Fixed and Floating) of the Prefabricated Structures and Scaffolding group. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 Safety Relief |
| FSC / FSG | 5420 — Bridges, Fixed and Floating (FSG 54) |
| Parameter | Value |
|---|---|
| NSN | 5420-00-896-1985 |
| Item Name | Valve Safety Relief |
| FSC / FSG | 5420 / 54 — Bridges, Fixed and Floating |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 4253-133-5 | 5/9 Secondary reference U.S. Government activity |
| 980641 | 5/9 Secondary reference U.S. Government activity |
| 11524-133-5 | 3/2 Design control — primary reference U.S. Government activity |
| 11524-133-5 | 3/2 Design control — primary reference U.S. Government activity |
| BT3-175WX12-500PSI | 5/9 Secondary reference Vickers Inc |
NSN 5420-00-896-1985 is a Valve Safety Relief, classified under FSC 5420, Bridges, Fixed and Floating. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6640-01-461-9852. 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.