The Cartridge,20 Millimeter, cataloged under National Stock Number 1305-00-028-4549, is classified within Federal Supply Class 1305 (Ammunition, Through 30mm) of the Ammunition and Explosives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 1305-00-028-4549 |
| Item Name | Cartridge,20 Millimeter |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Status | ACTIVE |
| Weapon for Which Designed | MACHINE GUN AN-M2 AND MACHINE GUN AN-M3 |
| Tracer Element | INCLUDED |
| Dot Proper Shipping Name | CARTRIDGES FOR WEAPONS, INERT PROJECTILE |
| Dot Identification Number | UN0339 |
| Unable to Decode | UNABLE TO DECODE |
| Dot Registration Code | EX1988070612 |
| Projectile Model Number | M95 LOCATION NOT OTHERWISE SPECIFIED |
| Cartridge Model Number | M95 LOCATION NOT OTHERWISE SPECIFIED |
| Dod Ammunition Code | 1305-A765 |
| Detonation Initiation Method | PERCUSSION |
| Hazardous Material Classification Code | 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Unable to Decode | UNABLE TO DECODE |
| Cartridge Grouping Type | SINGLE ROUND |
| Material | COPPER ALLOY CARTRIDGE CASE |
| Gross Weight | 90.0 SHIPPING CONTAINER POUNDS AND 3448.0 PALLET POUNDS |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY UNIT PACKAGE QUANTITY,UNIT PACKAGE TYPE AND PACKAGE MODEL NUMBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) UN ID UN0339 · 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION · ships as CARTRIDGES FOR WEAPONS, INERT PROJECTILE |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| 75-1-177 | 3/1 Design control — primary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament |
| 1305-A765 | 6/9 Informative reference only U.S. Government activity |
| MIL-C-11255 | 4/1 Identification reference U.S. Government activity |
NSN 1305-00-028-4549 is a Cartridge,20 Millimeter, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
7 possible matches (shared part number, not a government interchangeability claim): 1305-00-028-4550, 1305-00-028-4551, 1305-00-028-4553. Verify interchangeability with system specifications before substitution.
Key specifications for 1305-00-028-4549: Weapon for Which Designed: MACHINE GUN AN-M2 AND MACHINE GUN AN-M3; Tracer Element: INCLUDED; Dot Proper Shipping Name: CARTRIDGES FOR WEAPONS, INERT PROJECTILE; Dot Identification Number: UN0339. 16 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 1305-00-028-4549 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.