The Cartridge,aircraft Fire Extingui, cataloged under National Stock Number 1377-01-520-7478, is classified within Federal Supply Class 1377 (Cartridge and Propellant Actuated Devices and Components) of the Ammunition and Explosives group. The manufacturer of record is Kidde Technologies, Inc Div Kidde Aerospace and Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1377-01-520-7478 |
| Primary Part Number | 446617 |
| Item Name | Cartridge,aircraft Fire Extingui |
| FSC / FSG | 1377 / 13 — Cartridge and Propellant Actuated Devices and Components |
| Manufacturer | Kidde Technologies, Inc Div Kidde Aerospace and Defense |
| Status | ACTIVE |
| Overall Diameter | 0.938 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 446617 PRIMARY | Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA) |
| M446617 | Ametek Ameron, Llc Div Ametek Aerospace & Defense, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1377PL1785635 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1377-01-520-7478 is a Cartridge,aircraft Fire Extingui, manufactured by Kidde Technologies, Inc Div Kidde Aerospace and Defense, classified under FSC 1377, Cartridge and Propellant Actuated Devices and Components. Status: active.
NSN 1377-01-520-7478 has 2 manufacturer part numbers on file: 446617 (Kidde Technologies, Inc Div Kidde Aerospace and Defense), M446617 (Ametek Ameron, Llc Div Ametek Aerospace & Defense, Inc.).
Key specifications for 446617: Overall Diameter: 0.938 INCHES NOMINAL IN; Overall Length: 2.560 INCHES NOMINAL IN; Special Features: BLACK POWDER BURNING CHARGE; End Item Identification: 737 BOEING AIRCRAFT. 1 specification is documented in the U.S. Government catalog.
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 1377-01-520-7478 has DEMIL Code G. 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.