The Shaft,straight, cataloged under National Stock Number 3040-00-040-1653, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Harley Davidson Motor Co Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-040-1653 |
| Primary Part Number | 24000-29 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Harley Davidson Motor Co Inc |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| First End Diameter | 0.87475 INCHES MINIMUM AND 0.87520 INCHES MAXIMUM IN |
| First End Distance From Keyway Center to End | 0.516 INCHES NOMINAL IN |
| Second End Diameter | 0.87475 INCHES MINIMUM AND 0.87520 INCHES MAXIMUM IN |
| Second End Distance From Keyway Center to End | 0.531 INCHES NOMINAL IN |
| First End Style | WOODRUFF KEYWAY AND INTERNALLY THREADED |
| Second End Keyway Width | 0.1885 INCHES NOMINAL IN |
| First End Internal Thread Length | 0.219 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | WOODRUFF KEYWAY AND INTERNALLY THREADED |
| Material | STEEL |
| Second End Internal Thread Length | 0.312 INCHES NOMINAL IN |
| First End Keyway Width | 0.1885 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-00-040-1653 is a Shaft,straight, manufactured by Harley Davidson Motor Co Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-040-1653 has 3 manufacturer part numbers on file: 24000-29 (Harley Davidson Motor Co Inc), 352-29A (Harley Davidson Motor Co Inc), 352-29 (Harley Davidson Motor Co Inc).
4 possible matches (shared part number, not a government interchangeability claim): 6645-00-144-4868, 5310-00-576-0427, 2510-01-164-1871. Verify interchangeability with system specifications before substitution.
Key specifications for 24000-29: Surface Finish: 16.0 MICROINCHES; First End Diameter: 0.87475 INCHES MINIMUM AND 0.87520 INCHES MAXIMUM IN; First End Distance From Keyway Center to End: 0.516 INCHES NOMINAL IN; Second End Diameter: 0.87475 INCHES MINIMUM AND 0.87520 INCHES MAXIMUM IN. 13 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 3040-00-040-1653 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.