The Gearshaft,spur, cataloged under National Stock Number 3040-00-977-5634, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-977-5634 |
| Primary Part Number | 1170413 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Shaft Type | STRAIGHT |
| Shaft Material | STEEL CORROSION RESISTING |
| Shaft End Size | 0.250 INCHES IN |
| Shaft Diameter | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Teeth Quantity | 26 |
| Diametral Pitch | 64 |
| Gear Outside Diameter | 0.437 INCHES NOMINAL IN |
| Gear Material | STEEL CORROSION RESISTING |
| Shaft End Type | PLAIN |
| Gear Location on Shaft | ON END OF SHAFT |
| 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 |
|---|---|
| 1170413 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1170413 | 5/9 Secondary reference U.S. Government activity |
| 1170413 | 5/9 Secondary reference Arma Div Ambac Industries Inc |
NSN 3040-00-977-5634 is a Gearshaft,spur, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-977-5634 has 1 manufacturer part number on file: 1170413 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-286-6107. Verify interchangeability with system specifications before substitution.
Key specifications for 1170413: Shaft Type: STRAIGHT; Shaft Material: STEEL CORROSION RESISTING; Shaft End Size: 0.250 INCHES IN; Shaft Diameter: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. 12 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.