The Test Stand Assy, cataloged under National Stock Number 4921-00-604-9477, is classified within Federal Supply Class 4921 (Torpedo Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Test Stand Assy |
| FSC / FSG | 4921 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment (FSG 49) |
| Manufacturers | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); United States Department of the Navy Dba Naval Undersea Warfare Ctr Div (CAGE 16623); Army, United States Department of the Dba Rock Island Arsenal Jmtc (CAGE 19204) |
| Parameter | Value |
|---|---|
| NSN | 4921-00-604-9477 |
| Primary Part Number | LD477458 |
| Item Name | Test Stand Assy |
| FSC / FSG | 4921 / 49 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| LD477458 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| BUWEPSLD477458 PRIMARY | United States Department of the Navy Dba Naval Undersea Warfare Ctr Div (USA) |
| LD477458 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| 877540 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 4921-00-604-9477 is a Test Stand Assy, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4921, Torpedo Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
NSN 4921-00-604-9477 has 4 manufacturer part numbers on file: LD477458 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), BUWEPSLD477458 (United States Department of the Navy Dba Naval Undersea Warfare Ctr Div), LD477458 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 877540 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
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 4921-00-604-9477 has DEMIL Code B. 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.