The Gearshaft,spur, cataloged under National Stock Number 3040-01-033-0728, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 3040-01-033-0728 |
| Primary Part Number | 21497 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Shaft Material | STEEL |
| Teeth Quantity | 33 |
| Gear Outside Diameter | 1.456 INCHES NOMINAL IN |
| Pressure Angle | 14.5000 DEGREES |
| Face Width | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 21497 PRIMARY | Ward Leonard Ct Llc (USA) |
NSN 3040-01-033-0728 is a Gearshaft,spur, manufactured by Ward Leonard Ct Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-033-0728 has 1 manufacturer part number on file: 21497 (Ward Leonard Ct Llc).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-540-1613. Verify interchangeability with system specifications before substitution.
Key specifications for 21497: Shaft Material: STEEL; Teeth Quantity: 33; Gear Outside Diameter: 1.456 INCHES NOMINAL IN; Overall Length: 0.625 INCHES NOMINAL IN. 5 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.