The Disk,valve,fire Ext, cataloged under National Stock Number 1680-00-397-5155, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Kidde Technologies, Inc Div Kidde Aerospace and Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Disk,valve,fire Ext |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Kidde Technologies, Inc Div Kidde Aerospace and Defense (CAGE 61423) |
| Parameter | Value |
|---|---|
| NSN | 1680-00-397-5155 |
| Primary Part Number | 240183 |
| Item Name | Disk,valve,fire Ext |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Kidde Technologies, Inc Div Kidde Aerospace and Defense |
| 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 |
|---|---|
| 240183 PRIMARY | Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA) |
| Reference | Meaning |
|---|---|
| 240183 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 1680-00-397-5155 is a Disk,valve,fire Ext, manufactured by Kidde Technologies, Inc Div Kidde Aerospace and Defense, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-397-5155 has 1 manufacturer part number on file: 240183 (Kidde Technologies, Inc Div Kidde Aerospace and Defense).
2 possible matches (shared part number, not a government interchangeability claim): 3530-00-490-7443, 4520-01-627-3100. 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 1680-00-397-5155 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.