The Cartridge,20 Millimeter, cataloged under National Stock Number 1305-01-213-9656, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Cartridge,20 Millimeter |
| FSC / FSG | 1305 — Ammunition, Through 30mm (FSG 13) |
| Manufacturers | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003) |
| Parameter | Value |
|---|---|
| NSN | 1305-01-213-9656 |
| Primary Part Number | 1696AS220-1 |
| Item Name | Cartridge,20 Millimeter |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 1696AS220-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1305-A678 | 6/9 Informative reference only U.S. Government activity |
| 1575AS300 | 5/1 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 1305-01-213-9656 is a Cartridge,20 Millimeter, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
NSN 1305-01-213-9656 has 1 manufacturer part number on file: 1696AS220-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
2 possible matches (shared part number, not a government interchangeability claim): 1305-01-231-5892, 1305-01-350-9580. Verify interchangeability with system specifications before substitution.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1305-01-213-9656 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.