The Exploder Mechanism,torpedo, cataloged under National Stock Number 1355-01-601-2657, is classified within Federal Supply Class 1355 (Torpedos and Components, Inert) of the Ammunition and Explosives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1355-01-601-2657 |
| Primary Part Number | 8475425 |
| Item Name | Exploder Mechanism,torpedo |
| FSC / FSG | 1355 / 13 — Torpedos and Components, Inert |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Model Number | MK20 MOD 1 |
| Dod Ammunition Code | 1355-TA93 |
| Explosive Load | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL P — Demil Prior To Sale/Transfer |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8475425 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1355-TA93 | 6/9 Informative reference only U.S. Government activity |
NSN 1355-01-601-2657 is a Exploder Mechanism,torpedo, manufactured by Naval Sea Systems Command, classified under FSC 1355, Torpedos and Components, Inert. Status: active.
NSN 1355-01-601-2657 has 1 manufacturer part number on file: 8475425 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 1355-01-723-2634. Verify interchangeability with system specifications before substitution.
Key specifications for 8475425: Model Number: MK20 MOD 1; Dod Ammunition Code: 1355-TA93; Explosive Load: NOT INCLUDED; End Item Identification: MK54 TORP.. 3 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 1355-01-601-2657 has DEMIL Code P. 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.