The Cartridge,20 Millimeter, cataloged under National Stock Number 1305-00-229-3531, is classified within Federal Supply Class 1305 (Ammunition, Through 30mm) of the Ammunition and Explosives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1305-00-229-3531 |
| Primary Part Number | 75-1-178AND75-1-179 |
| Item Name | Cartridge,20 Millimeter |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament |
| Status | ACTIVE |
| Weapon for Which Designed | GUN MK16 |
| Cartridge Quantity | 150 |
| Tracer Element | NOT INCLUDED |
| Net Explosive Weight | 0.0947 STORAGE POUNDS AND 0.7947 TRANSPORTATION POUNDS |
| Dot Proper Shipping Name | CARTRIDGES FOR WEAPONS |
| Link Feed Direction | RIGHT-HAND |
| Dot Identification Number | UN0321 |
| Unable to Decode | UNABLE TO DECODE |
| Dot Registration Code | EX1988040269 |
| Projectile Model Number | M96 PACK BARREL |
| Projectile Model Number | M97 CLIPPED |
| End Link Model Number | NONE |
| Cartridge Model Number | M21A1 CLIPPED |
| Dod Ammunition Code | 1305-A748 |
| Detonation Initiation Method | PERCUSSION |
| Hazardous Material Classification Code | 1.2.2 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Unable to Decode | UNABLE TO DECODE |
| Link Model Number | M8 OR M10 |
| Material | COPPER ALLOY CARTRIDGE CASE CLIPPED |
| Gross Weight | 106.0 SHIPPING CONTAINER POUNDS AND 2630.0 PALLET POUNDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) UN ID UN0321 · 1.2.2 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION · ships as CARTRIDGES FOR WEAPONS |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 75-1-178AND75-1-179 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA) |
| Reference | Meaning |
|---|---|
| 1305-A748 | 6/9 Informative reference only U.S. Government activity |
NSN 1305-00-229-3531 is a Cartridge,20 Millimeter, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
NSN 1305-00-229-3531 has 1 manufacturer part number on file: 75-1-178AND75-1-179 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament).
Key specifications for 75-1-178AND75-1-179: Weapon for Which Designed: GUN MK16; Cartridge Quantity: 150; Tracer Element: NOT INCLUDED; Net Explosive Weight: 0.0947 STORAGE POUNDS AND 0.7947 TRANSPORTATION POUNDS. 20 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 1305-00-229-3531 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.