The Catapult,aircraft Ejection Seat, cataloged under National Stock Number 1377-01-340-0041, 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 Surface Warfare Center Indian Head. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1377-01-340-0041 |
| Primary Part Number | 513-174-0200 |
| Item Name | Catapult,aircraft Ejection Seat |
| FSC / FSG | 1377 / 13 — Cartridge and Propellant Actuated Devices and Components |
| Manufacturer | Naval Surface Warfare Center Indian Head |
| Status | ACTIVE |
| Actuation Method | ROCKET MOTOR |
| Model Number | CKU-11/A |
| Net Explosive Weight | 6.000000 STORAGE POUNDS AND 6.000000 TRANSPORTATION POUNDS |
| Dot Proper Shipping Name | ROCKET MOTORS |
| Criticality Code Justification | EXWT |
| Dot Identification Number | UN0186 |
| Dot Registration Code | EX1996020029 |
| Training Usage Feature | NOT INCLUDED |
| Dod Ammunition Code | 1377-MU14 |
| Actuator | NOT INCLUDED |
| Dot Hazard Class/division | 1.3 |
| Hazardous Material Classification Code | 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Dot Warning Label Code | 1.3C |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) DOT hazard class/division 1.3 · UN ID UN0186 · warning label 1.3C · 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION · ships as ROCKET MOTORS |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 857AS840 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| CKU-11/A | Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc (USA) |
| 513-174-0200 PRIMARY | Naval Surface Warfare Center Indian Head (USA) |
| Reference | Meaning |
|---|---|
| 1377-MU14 | 6/9 Informative reference only U.S. Government activity |
NSN 1377-01-340-0041 is a Catapult,aircraft Ejection Seat, manufactured by Naval Surface Warfare Center Indian Head, classified under FSC 1377, Cartridge and Propellant Actuated Devices and Components. Status: active.
NSN 1377-01-340-0041 has 3 manufacturer part numbers on file: 857AS840 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), CKU-11/A (Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc), 513-174-0200 (Naval Surface Warfare Center Indian Head).
Key specifications for 513-174-0200: Actuation Method: ROCKET MOTOR; Model Number: CKU-11/A; Net Explosive Weight: 6.000000 STORAGE POUNDS AND 6.000000 TRANSPORTATION POUNDS; Dot Proper Shipping Name: ROCKET MOTORS. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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 1377-01-340-0041 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.