The Explosive Bridgewire Initiator a, cataloged under National Stock Number 1337-01-196-7214, is classified within Federal Supply Class 1337 (Guided Missile and Space Vehicle Explosive Propulsion Units, Solid Fuel; and Components) of the Ammunition and Explosives group. The manufacturer of record is Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1337-01-196-7214 |
| Primary Part Number | 55728-04 |
| Item Name | Explosive Bridgewire Initiator a |
| FSC / FSG | 1337 / 13 — Guided Missile and Space Vehicle Explosive Propulsion Units, Solid Fuel; and Components |
| Manufacturer | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory |
| Status | ACTIVE |
| Net Explosive Weight | 0.000000 STORAGE POUNDS AND 0.000200 TRANSPORTATION POUNDS |
| Dot Proper Shipping Name | FUZES, DETONATING |
| Criticality Code Justification | EXWT |
| Dot Identification Number | UN0367 |
| Dot Registration Code | EX1988070235 |
| Dot Hazard Class/division | 1.4 |
| Hazardous Material Classification Code | 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | Hazardous per DLA record (HMIC Y) DOT hazard class/division 1.4 · UN ID UN0367 · 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION · ships as FUZES, DETONATING |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 55728-04 PRIMARY | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory (USA) |
| 55728-03 | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory (USA) |
| 55728-02 | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory (USA) |
NSN 1337-01-196-7214 is a Explosive Bridgewire Initiator a, manufactured by Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory, classified under FSC 1337, Guided Missile and Space Vehicle Explosive Propulsion Units, Solid Fuel; and Components. Status: active.
NSN 1337-01-196-7214 has 3 manufacturer part numbers on file: 55728-04 (Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory), 55728-03 (Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory), 55728-02 (Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory).
Key specifications for 55728-04: Net Explosive Weight: 0.000000 STORAGE POUNDS AND 0.000200 TRANSPORTATION POUNDS; Dot Proper Shipping Name: FUZES, DETONATING; Criticality Code Justification: EXWT; Dot Identification Number: UN0367. 7 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). The government record also carries hazard data: DOT hazard class, UN number, or related classification fields. Special handling, storage, and shipping requirements apply per the cited government fields.
NSN 1337-01-196-7214 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.