The Cartridge,5.56 Millimeter, cataloged under National Stock Number 1305-01-600-0670, is classified within Federal Supply Class 1305 (Ammunition, Through 30mm) of the Ammunition and Explosives group. The manufacturer of record is Federal Cartridge Company Dba Federal Cartridge Co Div Federal Cartridge. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1305-01-600-0670 |
| Primary Part Number | 2X37193 |
| Item Name | Cartridge,5.56 Millimeter |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Manufacturer | Federal Cartridge Company Dba Federal Cartridge Co Div Federal Cartridge |
| Status | ACTIVE |
| Cartridge Model Number | MK311 MOD 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2X37193 PRIMARY | Federal Cartridge Company Dba Federal Cartridge Co Div Federal Cartridge (USA) |
| Reference | Meaning |
|---|---|
| 1305-AA40 | 6/9 Informative reference only U.S. Government activity |
NSN 1305-01-600-0670 is a Cartridge,5.56 Millimeter, manufactured by Federal Cartridge Company Dba Federal Cartridge Co Div Federal Cartridge, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
NSN 1305-01-600-0670 has 1 manufacturer part number on file: 2X37193 (Federal Cartridge Company Dba Federal Cartridge Co Div Federal Cartridge).
2 possible matches (shared part number, not a government interchangeability claim): 1305-01-644-3649, 1305-01-667-1920. Verify interchangeability with system specifications before substitution.
Key specifications for 2X37193: Cartridge Model Number: MK311 MOD 2; Special Features: FRANGIBLE CTG,840 RDS PER M2A1,TWO M2A1 1680 RDS PER WIREBOUND BX,48 BXS WOOD PLT,. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1305-01-600-0670 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.