The Ring,bumper, cataloged under National Stock Number 1045-00-334-2648, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring,bumper |
| 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) |
| Parameter | Value |
|---|---|
| NSN | 1045-00-334-2648 |
| Primary Part Number | 821303 |
| Item Name | Ring,bumper |
| 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 Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 821303 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 3016958 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| BUWEPSDWG821303 | 5/9 Secondary reference Department of the Navy Naval Surface Warfare Center Crane Detachment |
| BUWEPSDWG821303 | C/1 Advisory reference — outside the item-of-supply concept Navsurfwarcen Det Picatinny |
NSN 1045-00-334-2648 is a Ring,bumper, 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 1045-00-334-2648 has 1 manufacturer part number on file: 821303 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
2 possible matches (shared part number, not a government interchangeability claim): 5330-00-407-9474, 4720-01-506-6717. 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.
NSN 1045-00-334-2648 has DEMIL Code Q. 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.