The Cartridge,20 Millimeter,practice, cataloged under National Stock Number 1305-01-451-8566, is classified within Federal Supply Class 1305 (Ammunition, Through 30mm) of the Ammunition and Explosives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 1305-01-451-8566 |
| Primary Part Number | 1696AS234-1 |
| Item Name | Cartridge,20 Millimeter,practice |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Net Explosive Weight | 0.0754 STORAGE POUNDS AND 0.0754 TRANSPORTATION POUNDS |
| Dot Proper Shipping Name | CARTRIDGES FOR WEAPONS, INERT PROJECTILE |
| Dot Identification Number | UN0339 |
| Dot Registration Code | EX1998110089 |
| Dod Ammunition Code | 1305-AA24 |
| Hazardous Material Classification Code | 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| 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 FOR WEAPONS, INERT PROJECTILE |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1696AS234-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1575AS500 | Australian Munitions (AUS) |
| 1575AS500 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1305-AA24 | 6/9 Informative reference only U.S. Government activity |
NSN 1305-01-451-8566 is a Cartridge,20 Millimeter,practice, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
NSN 1305-01-451-8566 has 3 manufacturer part numbers on file: 1696AS234-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1575AS500 (Australian Munitions), 1575AS500 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
4 possible matches (shared part number, not a government interchangeability claim): 1305-01-451-8592, 1305-01-451-8659, 1305-01-501-7178. Verify interchangeability with system specifications before substitution.
Key specifications for 1696AS234-1: Net Explosive Weight: 0.0754 STORAGE POUNDS AND 0.0754 TRANSPORTATION POUNDS; Dot Proper Shipping Name: CARTRIDGES FOR WEAPONS, INERT PROJECTILE; Dot Identification Number: UN0339; Dot Registration Code: EX1998110089. 6 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 1305-01-451-8566 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.