The Gearshaft,multiple Gears, cataloged under National Stock Number 3040-01-121-7771, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 3040-01-121-7771 |
| Primary Part Number | 145929-1 |
| Item Name | Gearshaft,multiple Gears |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Gear Quantity | 2 |
| Gear Type | SPUR ALL GEARS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-01-121-7771 is a Gearshaft,multiple Gears, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-121-7771 has 2 manufacturer part numbers on file: 145929-1 (Raytheon Company), 145929-1 (Raytheon Company Dba Raytheon Co).
1 possible match (shared part number, not a government interchangeability claim): 2530-01-523-4609. Verify interchangeability with system specifications before substitution.
Key specifications for 145929-1: Gear Quantity: 2; Gear Type: SPUR ALL GEARS. 2 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.
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.