The Dummy Cartridge,20 Millimeter, cataloged under National Stock Number 1305-01-448-9275, 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 4 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1305-01-448-9275 |
| Primary Part Number | 5355799 |
| Item Name | Dummy Cartridge,20 Millimeter |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Cartridge Model Number | M51A4N |
| Dod Ammunition Code | 1305-AA20 |
| Unable to Decode | UNABLE TO DECODE |
| Gross Weight | 2418.0 PALLET POUNDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5355799 PRIMARY | Naval Sea Systems Command (USA) |
| 12982855 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 1305-AA20 | 6/9 Informative reference only U.S. Government activity |
NSN 1305-01-448-9275 is a Dummy Cartridge,20 Millimeter, manufactured by Naval Sea Systems Command, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
NSN 1305-01-448-9275 has 2 manufacturer part numbers on file: 5355799 (Naval Sea Systems Command), 12982855 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 5355799: Cartridge Model Number: M51A4N; Dod Ammunition Code: 1305-AA20; Unable to Decode: UNABLE TO DECODE; Special Features: NAVY USE ONLY. 4 specifications are documented in the U.S. Government catalog.
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 1305-01-448-9275 has DEMIL Code D. 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.