The Cartridge,20 Millimeter, cataloged under National Stock Number 1305-01-506-1998, is classified within Federal Supply Class 1305 (Ammunition, Through 30mm) of the Ammunition and Explosives group. The manufacturer of record is Diehl Defence Gmbh & Co. Kg Div Product Management Ground-to-Ground & Ammunition. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Diehl Defence Gmbh & Co. Kg Div Product Management Ground-to-Ground & Ammunition (CAGE D0848) |
| Parameter | Value |
|---|---|
| NSN | 1305-01-506-1998 |
| Primary Part Number | 1575AS121 |
| Item Name | Cartridge,20 Millimeter |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Manufacturer | Diehl Defence Gmbh & Co. Kg Div Product Management Ground-to-Ground & Ammunition |
| Status | ACTIVE |
| 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 |
|---|---|
| 1575AS121 | Diehl Defence Gmbh & Co. Kg Div Product Management Ground-to-Ground & Ammunition (DEU) |
| Reference | Meaning |
|---|---|
| 1575AS121 | 3/2 Design control — primary reference U.S. Government activity |
| 1305-AA83 | 6/9 Informative reference only U.S. Government activity |
NSN 1305-01-506-1998 is a Cartridge,20 Millimeter, manufactured by Diehl Defence Gmbh & Co. Kg Div Product Management Ground-to-Ground & Ammunition, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
NSN 1305-01-506-1998 has 1 manufacturer part number on file: 1575AS121 (Diehl Defence Gmbh & Co. Kg Div Product Management Ground-to-Ground & Ammunition).
1 possible match (shared part number, not a government interchangeability claim): 1376-01-592-7660. Verify interchangeability with system specifications before substitution.
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 1305-01-506-1998 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.