The Initiator,cartridge Actuated, cataloged under National Stock Number 1377-01-679-7378, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 5 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1377-01-679-7378 |
| Primary Part Number | 3315AS490 |
| Item Name | Initiator,cartridge Actuated |
| FSC / FSG | 1377 / 13 — Cartridge and Propellant Actuated Devices and Components |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Model Number | JAU-99/A |
| Dod Ammunition Code | 1377-JN91 |
| Unable to Decode | UNABLE TO DECODE |
| Cartridge Design Type | TIME DELAY |
| Delay Time in Seconds | 0.17 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| MBDT41017X | Martin-Baker Aircraft Company Limited (GBR) |
| 3315AS490 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1377-JN91 | 6/9 Informative reference only U.S. Government activity |
NSN 1377-01-679-7378 is a Initiator,cartridge Actuated, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 1377, Cartridge and Propellant Actuated Devices and Components. Status: active.
NSN 1377-01-679-7378 has 2 manufacturer part numbers on file: MBDT41017X (Martin-Baker Aircraft Company Limited), 3315AS490 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3315AS490: Model Number: JAU-99/A; Overall Length: 6.06 INCHES NOMINAL IN; Dod Ammunition Code: 1377-JN91; Unable to Decode: UNABLE TO DECODE. 5 specifications are 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 1377-01-679-7378 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.