The Cartridge,impulse, cataloged under National Stock Number 1377-00-021-4213, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1377-00-021-4213 |
| Primary Part Number | 2164784 |
| Item Name | Cartridge,impulse |
| FSC / FSG | 1377 / 13 — Cartridge and Propellant Actuated Devices and Components |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Wrenching Facility | INCLUDED |
| Width Across Flats | 0.875 INCHES NOMINAL IN |
| Case Threaded Electrical Connection | INCLUDED |
| Connection Thread Size | 0.750 -20 |
| Terminal Type | PIN |
| Explosive Power Rating | 600.000 FOOT-POUNDS FT |
| Connection Thread Series | UNEF |
| Net Explosive Weight | 0.0031 STORAGE POUNDS AND 0.0031 TRANSPORTATION POUNDS |
| Dot Proper Shipping Name | CARTRIDGES, POWER DEVICE |
| Charged End Diameter | 0.533 INCHES NOMINAL IN |
| Dot Identification Number | UN0276 |
| Voltage in Volts | 20.0 |
| Dot Registration Code | EX1988050639 |
| Cartridge Model Number | MK 17 MOD 1 |
| Dod Ammunition Code | 1377-M011 |
| Detonation Initiation Method | ELECTRIC |
| Hazardous Material Classification Code | 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Unable to Decode | UNABLE TO DECODE |
| Integral Cutting Punch | NOT INCLUDED |
| Color Coded Feature | NOT INCLUDED |
| Thread Size | 0.619-20 |
| Rim | NOT INCLUDED |
| Connection Facility Thread Class | 2A THD A |
| Thread Class | 2A THD A |
| Material | STEEL CASE |
| Gross Weight | 7.0 SHIPPING CONTAINER POUNDS |
| Reference Number Differentiating Characteristics | TURY,TURZ,TUSA,TUSB |
| Current Rating in Amps | 10.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) UN ID UN0276 · 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION · ships as CARTRIDGES, POWER DEVICE |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2164784 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1377-M011 | 6/9 Informative reference only U.S. Government activity |
| LD534559 | 3/1 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 2164784 | 5/1 Secondary reference U.S. Government activity |
NSN 1377-00-021-4213 is a Cartridge,impulse, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1377, Cartridge and Propellant Actuated Devices and Components. Status: active.
NSN 1377-00-021-4213 has 1 manufacturer part number on file: 2164784 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
2 possible matches (shared part number, not a government interchangeability claim): 1377-00-707-0585, 1377-01-089-2860. Verify interchangeability with system specifications before substitution.
Key specifications for 2164784: Wrenching Facility: INCLUDED; Width Across Flats: 0.875 INCHES NOMINAL IN; Case Threaded Electrical Connection: INCLUDED; Connection Thread Size: 0.750 -20. 28 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 1377-00-021-4213 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.