The Piston,assy, cataloged under National Stock Number 1045-00-334-2650, is classified within Federal Supply Class 1045 (Launchers, Torpedo and Depth Charge) of the Weapons group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Piston,assy |
| FSC / FSG | 1045 — Launchers, Torpedo and Depth Charge (FSG 10) |
| Manufacturers | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Navsurfwarcen Det Picatinny (CAGE 08KE6) |
| Parameter | Value |
|---|---|
| NSN | 1045-00-334-2650 |
| Primary Part Number | 821307 |
| Item Name | Piston,assy |
| FSC / FSG | 1045 / 10 — Launchers, Torpedo and Depth Charge |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 821307 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| BUWEPSDWG821307 PRIMARY | Navsurfwarcen Det Picatinny (USA) |
| Reference | Meaning |
|---|---|
| BUWEPSDWG821307 | 5/9 Secondary reference Department of the Navy Naval Surface Warfare Center Crane Detachment |
NSN 1045-00-334-2650 is a Piston,assy, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1045, Launchers, Torpedo and Depth Charge. Status: active.
NSN 1045-00-334-2650 has 2 manufacturer part numbers on file: 821307 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), BUWEPSDWG821307 (Navsurfwarcen Det Picatinny).
1 possible match (shared part number, not a government interchangeability claim): 7035-01-559-6088. 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.
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.