The Cartridge,20 Millimeter, cataloged under National Stock Number 1305-01-451-8675, is classified within Federal Supply Class 1305 (Ammunition, Through 30mm) of the Ammunition and Explosives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1305-01-451-8675 |
| Item Name | Cartridge,20 Millimeter |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Status | ACTIVE |
| Cartridge Quantity | 250 |
| Net Explosive Weight | 0.099000 TRANSPORTATION POUNDS AND 0.024000 STORAGE POUNDS |
| Dot Proper Shipping Name | CARTRIDGES FOR WEAPONS |
| Dot Identification Number | UN0321 |
| Dot Registration Code | EX1998120010 |
| Dod Ammunition Code | 1305-AA22 |
| Hazardous Material Classification Code | 1.2.2 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND E STORAGE COMPATIBILITY GROUP |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MATERIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) UN ID UN0321 · 1.2.2 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND E STORAGE COMPATIBILITY GROUP · ships as CARTRIDGES FOR WEAPONS |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1696AS234-2 | 3/1 Design control — primary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 1575AS600 | 5/1 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 1305-AA22 | 6/9 Informative reference only U.S. Government activity |
NSN 1305-01-451-8675 is a Cartridge,20 Millimeter, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1305-01-451-8683. Verify interchangeability with system specifications before substitution.
Key specifications for 1305-01-451-8675: Cartridge Quantity: 250; Net Explosive Weight: 0.099000 TRANSPORTATION POUNDS AND 0.024000 STORAGE POUNDS; Dot Proper Shipping Name: CARTRIDGES FOR WEAPONS; Dot Identification Number: UN0321. 8 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 1305-01-451-8675 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.