The Mine,underwater, cataloged under National Stock Number 1351-01-021-4465, is classified within Federal Supply Class 1351 (Underwater Mines and Components, Explosive) 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 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1351-01-021-4465 |
| Primary Part Number | 2280621-10 |
| Item Name | Mine,underwater |
| FSC / FSG | 1351 / 13 — Underwater Mines and Components, Explosive |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Model Number | MK56 MOD 0 |
| Operational Assembly Designator | 10 |
| Net Explosive Weight | 355.161011 STORAGE POUNDS AND 355.161011 TRANSPORTATION POUNDS |
| Dot Registration Code | EX1988020720 |
| Dod Ammunition Code | 1351-UM68 |
| Hazardous Material Classification Code | 1.1 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Item Content | EXPLOSIVE FILLED |
| Unable to Decode | UNABLE TO DECODE |
| Configuration Code | A |
| Gross Weight | 2265.0 SHIPPING CONTAINER POUNDS AND 2265.0 PALLET POUNDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) 1.1 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2280621-10 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1351-UM68 | 6/9 Informative reference only U.S. Government activity |
NSN 1351-01-021-4465 is a Mine,underwater, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1351, Underwater Mines and Components, Explosive. Status: active.
NSN 1351-01-021-4465 has 1 manufacturer part number on file: 2280621-10 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2280621-10: Model Number: MK56 MOD 0; Operational Assembly Designator: 10; Net Explosive Weight: 355.161011 STORAGE POUNDS AND 355.161011 TRANSPORTATION POUNDS; Dot Registration Code: EX1988020720. 10 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 1351-01-021-4465 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.