The Clamp Dual, cataloged under National Stock Number 5342-00-139-0677, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Clamp Dual |
| FSC / FSG | 5342 — Hardware, Weapon System (FSG 53) |
| Manufacturers | Kidde Technologies, Inc Div Kidde Aerospace and Defense (CAGE 61423) |
| Parameter | Value |
|---|---|
| NSN | 5342-00-139-0677 |
| Primary Part Number | 277275 |
| Item Name | Clamp Dual |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Kidde Technologies, Inc Div Kidde Aerospace and Defense |
| 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 |
|---|---|
| 277275 PRIMARY | Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA) |
| Reference | Meaning |
|---|---|
| 277275 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 5342-00-139-0677 is a Clamp Dual, manufactured by Kidde Technologies, Inc Div Kidde Aerospace and Defense, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-139-0677 has 1 manufacturer part number on file: 277275 (Kidde Technologies, Inc Div Kidde Aerospace and Defense).
1 possible match (shared part number, not a government interchangeability claim): 7450-00-550-8746. 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.