The Cartridge,caliber .50, cataloged under National Stock Number 1305-00-028-6587, is classified within Federal Supply Class 1305 (Ammunition, Through 30mm) of the Ammunition and Explosives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 1305-00-028-6587 |
| Item Name | Cartridge,caliber .50 |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Status | ACTIVE |
| Weapon for Which Designed | MACHINE GUN |
| Cartridge Grouping Functional Sequence | 4-1 |
| Cartridge Quantity | 105 |
| Net Explosive Weight | 0.0374 STORAGE POUNDS AND 0.0374 TRANSPORTATION POUNDS |
| Dot Proper Shipping Name | CARTRIDGES, SMALL ARMS |
| Projectile Weight | 661.5 GRAINS |
| Dot Identification Number | UN0339 |
| Dot Registration Code | EX1988120330 |
| Cartridge Model Number | M33 OR M17 |
| Dod Ammunition Code | 1305-A557 |
| Hazardous Material Classification Code | 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Unable to Decode | UNABLE TO DECODE |
| Cartridge Grouping Type | LINKED |
| Package Reference Number | X7553120 US ARMY |
| Link Model Number | M2 OR M9 |
| Cartridge Design Type | BALL AND TRACER |
| Muzzle Velocity | 2910.0 FEET PER SECOND NOMINAL FT |
| Gross Weight | 79.0 SHIPPING CONTAINER POUNDS AND 2917.0 PALLET POUNDS |
| Cartridge Grade Designator | MG |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY CARTRIDGE GROUPING TYPE,CARTRIDGE QUANTITY,CARTRIDGE GROUPING FUNCTIONAL SEQUENCE,LINK MODEL NUMBER,CARTRIDGE GRADE DESIGNATOR,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, SMALL ARMS |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1305-A557 | 6/9 Informative reference only U.S. Government activity |
| 7672165 | 5/1 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 7553097 | 3/1 Design control — primary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 1305-00-028-6587 is a Cartridge,caliber .50, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
6 possible matches (shared part number, not a government interchangeability claim): 1305-00-049-5125, 1305-00-540-1056, 1305-00-541-9834. Verify interchangeability with system specifications before substitution.
Key specifications for 1305-00-028-6587: Weapon for Which Designed: MACHINE GUN; Cartridge Grouping Functional Sequence: 4-1; Cartridge Quantity: 105; Net Explosive Weight: 0.0374 STORAGE POUNDS AND 0.0374 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 1305-00-028-6587 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.