The Cartridge,20 Millimeter, cataloged under National Stock Number 1305-00-152-3660, 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 Logistics Research and Engineering Directorate. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 1305-00-152-3660 |
| Primary Part Number | 7259238 |
| Item Name | Cartridge,20 Millimeter |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Weapon for Which Designed | GUN, M61 SERIES |
| Cartridge Grouping Functional Sequence | 7-1 |
| Cartridge Quantity | 100 |
| Tracer Element | INCLUDED |
| Net Explosive Weight | 0.0252 STORAGE POUNDS AND 0.1109 TRANSPORTATION POUNDS |
| Fuze Model Number | M505A3 CLIPPED |
| Fuze Model Number | MODEL NO. NOT ASSIGNED PACK BARREL |
| Dot Proper Shipping Name | CARTRIDGES FOR WEAPONS |
| Projectile Filler Type | H-761 CLIPPED |
| Dot Identification Number | UN0321 |
| Unable to Decode | UNABLE TO DECODE |
| Dot Registration Code | EX1988120389 |
| Projectile Model Number | M221 PACK BARREL |
| Projectile Model Number | NONE CLIPPED |
| End Link Model Number | NONE |
| Cartridge Model Number | M220 PACK BARREL |
| Cartridge Model Number | M56A3 CLIPPED |
| Dod Ammunition Code | 1305-A655 |
| Detonation Initiation Method | ELECTRIC |
| Fuze Type | POINT DETONATING CLIPPED |
| Hazardous Material Classification Code | 1.2.2 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Unable to Decode | UNABLE TO DECODE |
| Link Model Number | M14A2 |
| Material | COPPER ALLOY CARTRIDGE CASE PACK BARREL |
| Material | COPPER ALLOY CARTRIDGE CASE CLIPPED |
| Gross Weight | 80.0 SHIPPING CONTAINER POUNDS AND 2365.0 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 |
|---|---|
| 7259238 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 1305-A655 | 6/9 Informative reference only U.S. Government activity |
NSN 1305-00-152-3660 is a Cartridge,20 Millimeter, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
NSN 1305-00-152-3660 has 1 manufacturer part number on file: 7259238 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
3 possible matches (shared part number, not a government interchangeability claim): 1305-00-522-3707, 1305-00-926-4058, 1305-01-116-3932. Verify interchangeability with system specifications before substitution.
Key specifications for 7259238: Weapon for Which Designed: GUN, M61 SERIES; Cartridge Grouping Functional Sequence: 7-1; Cartridge Quantity: 100; Tracer Element: INCLUDED. 26 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 1305-00-152-3660 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.