The Cartridge,5.56 Millimeter, cataloged under National Stock Number 1305-01-533-5657, is classified within Federal Supply Class 1305 (Ammunition, Through 30mm) of the Ammunition and Explosives group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1305-01-533-5657 |
| Primary Part Number | 8166518 |
| Item Name | Cartridge,5.56 Millimeter |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Dod Ammunition Code | 1305-AB04 |
| 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 |
|---|---|
| 8166518 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1305-AB04 | 6/9 Informative reference only U.S. Government activity |
NSN 1305-01-533-5657 is a Cartridge,5.56 Millimeter, manufactured by Naval Sea Systems Command, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
NSN 1305-01-533-5657 has 1 manufacturer part number on file: 8166518 (Naval Sea Systems Command).
Key specifications for 8166518: Dod Ammunition Code: 1305-AB04; Special Features: CARTRIDGE, 5.56 MM ARMOR PIERCING, M995 & DIM TRACER MK301 MOD0 LINKED (4:1) PKG 200 CTG PER BELT, LINK M27: 1 BELT PER MAGAZINE, AMMO, M249, SAW: 1 MAGAZINE PER BANDOLEER, M249, 4 BANDOLEERS ( 800RDS ) PER PA108 AMMO CAN, 2 AMMO CANS ( 1600RDS ) PER WIREBOUND WOODEN BOX. MM. 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 1305-01-533-5657 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.