The Cartridge,20 Millimeter, cataloged under National Stock Number 1305-01-185-3265, 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 12 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1305-01-185-3265 |
| Primary Part Number | 5871966 |
| Item Name | Cartridge,20 Millimeter |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Tracer Element | NOT INCLUDED |
| Net Explosive Weight | 0.09 SHIPBOARD POUNDS AND 0.09295 STORAGE POUNDS AND 0.09295 TRANSPORTATION POUNDS |
| Projectile Model Number | MK68 MOD 2 LOCATION NOT OTHERWISE SPECIFIED |
| Cartridge Model Number | MK149 MOD 2 LOCATION NOT OTHERWISE SPECIFIED |
| Dod Ammunition Code | 1305-A676 |
| Detonation Initiation Method | ELECTRIC |
| Hazardous Material Classification Code | I COAST GUARD CLASS AND 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND F DEPARTMENT OF TRANSPORTATION CLASS AND I FIREFIGHTING GROUP AND C STORAGE COMPATIBILITY GROUP |
| Unable to Decode | UNABLE TO DECODE |
| Cartridge Grouping Type | LINKED |
| Package Reference Number | S172157 US NAVY |
| Material | COPPER ALLOY CARTRIDGE CASE |
| Gross Weight | 87.0 SHIPPING CONTAINER POUNDS AND 2210.0 PALLET POUNDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) I COAST GUARD CLASS AND 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND F DEPARTMENT OF TRANSPORTATION CLASS AND I FIREFIGHTING GROUP AND C STORAGE COMPATIBILITY GROUP |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 5871966 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1305-A676 | 6/9 Informative reference only U.S. Government activity |
NSN 1305-01-185-3265 is a Cartridge,20 Millimeter, manufactured by Naval Sea Systems Command, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
NSN 1305-01-185-3265 has 1 manufacturer part number on file: 5871966 (Naval Sea Systems Command).
Key specifications for 5871966: Tracer Element: NOT INCLUDED; Net Explosive Weight: 0.09 SHIPBOARD POUNDS AND 0.09295 STORAGE POUNDS AND 0.09295 TRANSPORTATION POUNDS; Projectile Model Number: MK68 MOD 2 LOCATION NOT OTHERWISE SPECIFIED; Cartridge Model Number: MK149 MOD 2 LOCATION NOT OTHERWISE SPECIFIED. 12 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 1305-01-185-3265 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.