The Projectile,20 Millimeter, cataloged under National Stock Number 1305-00-620-3498, is classified within Federal Supply Class 1305 (Ammunition, Through 30mm) of the Ammunition and Explosives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 6 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. 2 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 | 1305-00-620-3498 |
| Primary Part Number | LD256016 |
| Item Name | Projectile,20 Millimeter |
| FSC / FSG | 1305 / 13 — Ammunition, Through 30mm |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Model Number | MK12 MOD 0,EMPTY |
| Proximity Fuze Adaptability | NOT ADAPTABLE |
| Unable to Decode | UNABLE TO DECODE |
| Package Reference Number | 11731531 US ARMY US |
| Gross Weight | 3400.0 SHIPPING CONTAINER POUNDS |
| Self-Destroying Feature | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
NSN 1305-00-620-3498 is a Projectile,20 Millimeter, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1305, Ammunition, Through 30mm. Status: active.
NSN 1305-00-620-3498 has 2 manufacturer part numbers on file: 982432 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), LD256016 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
2 possible matches (shared part number, not a government interchangeability claim): 6550-01-360-5717, 5930-01-716-1811. Verify interchangeability with system specifications before substitution.
Key specifications for LD256016: Model Number: MK12 MOD 0,EMPTY; Proximity Fuze Adaptability: NOT ADAPTABLE; Unable to Decode: UNABLE TO DECODE; Package Reference Number: 11731531 US ARMY US. 6 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 1305-00-620-3498 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.