The Plug Pressure Rel, cataloged under National Stock Number 1680-00-452-4530, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is L'hotellier SAS. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Plug Pressure Rel |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | L'hotellier SAS (CAGE F9211) |
| Parameter | Value |
|---|---|
| NSN | 1680-00-452-4530 |
| Primary Part Number | A492 |
| Item Name | Plug Pressure Rel |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | L'hotellier SAS |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| A492 PRIMARY | L'hotellier SAS (FRA) |
| Reference | Meaning |
|---|---|
| A492 | 3/9 Design control — primary reference Kidde Graviner Ltd |
NSN 1680-00-452-4530 is a Plug Pressure Rel, manufactured by L'hotellier SAS, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-452-4530 has 1 manufacturer part number on file: A492 (L'hotellier SAS).
3 possible matches (shared part number, not a government interchangeability claim): 3030-00-487-9400, 5325-00-641-2520, 5950-01-081-3812. 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.
NSN 1680-00-452-4530 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.