The Gearshaft,spur, cataloged under National Stock Number 3040-01-074-3771, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Triumph Gear Systems - Macomb, Inc. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-074-3771 |
| Primary Part Number | 3-020-520-03 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Triumph Gear Systems - Macomb, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3-020-520-03 PRIMARY | Triumph Gear Systems - Macomb, Inc (USA) |
| 3-020-520-03 PRIMARY | Woods T B Inc (USA) |
| 12286046 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3-020-520-03 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-074-3771 is a Gearshaft,spur, manufactured by Triumph Gear Systems - Macomb, Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-074-3771 has 3 manufacturer part numbers on file: 3-020-520-03 (Triumph Gear Systems - Macomb, Inc), 3-020-520-03 (Woods T B Inc), 12286046 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 3-020-520-03: Special Features: GEARSHAFT,SPUR CONSIST OF RING GEAR P/N 12286048 CAGE 19207 AND STUD P/N 12286030 CAGE 19207; End Item Identification: 2350-01-061-2445 M1A1 TANK. 0 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 3040-01-074-3771 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.