The Cartridge,20 Millimeter, cataloged under National Stock Number 1305-00-028-4548, is classified within Federal Supply Class 1305 (Ammunition, Through 30mm) of the Ammunition and Explosives group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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 | 1305-00-028-4548 |
| Item Name | Cartridge,20 Millimeter |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Status | ACTIVE |
| Weapon for Which Designed | MACHINE GUN AN-M2 OR MACHINE GUN M3 OR BRITISH HS |
| Cartridge Grouping Functional Sequence | 2-2-1 |
| Cartridge Quantity | 40 |
| Tracer Element | NOT INCLUDED |
| Net Explosive Weight | 0.10895 STORAGE POUNDS AND 0.1967 TRANSPORTATION POUNDS |
| Fuze Model Number | M75 CLIPPED |
| Fuze Model Number | M75 PACK BARREL |
| Fuze Model Number | M75 SINGLE ROUND |
| Dot Proper Shipping Name | CARTRIDGES FOR WEAPONS |
| Dot Identification Number | UN0321 |
| Unable to Decode | UNABLE TO DECODE |
| Dot Registration Code | EX1988050999 |
| Projectile Model Number | M96 PACK BARREL |
| Projectile Model Number | M97 CLIPPED |
| Projectile Model Number | M95 SINGLE ROUND |
| End Link Model Number | M10 |
| Cartridge Model Number | M96 PACK BARREL |
| Cartridge Model Number | M97 CLIPPED |
| Cartridge Model Number | M95 SINGLE ROUND |
| Dod Ammunition Code | 1305-A769 |
| Detonation Initiation Method | PERCUSSION |
| Fuze Type | POINT DETONATING SINGLE ROUND |
| Fuze Type | POINT DETONATING PACK BARREL |
| 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 | M10 |
| Material | COPPER ALLOY CARTRIDGE CASE PACK BARREL |
| Material | COPPER ALLOY CARTRIDGE CASE SINGLE ROUND |
| 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 |
| Reference | Meaning |
|---|---|
| 1305-A769 | 6/9 Informative reference only U.S. Government activity |
| 75-1-179 | 5/1 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 75-1-178 | 5/1 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 75-1-177 | 3/1 Design control — primary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 1305-00-028-4548 is a Cartridge,20 Millimeter, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
8 possible matches (shared part number, not a government interchangeability claim): 1305-00-028-4549, 1305-00-028-4550, 1305-00-028-4551. Verify interchangeability with system specifications before substitution.
Key specifications for 1305-00-028-4548: Weapon for Which Designed: MACHINE GUN AN-M2 OR MACHINE GUN M3 OR BRITISH HS; Cartridge Grouping Functional Sequence: 2-2-1; Cartridge Quantity: 40; Tracer Element: NOT INCLUDED. 29 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 1305-00-028-4548 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.