The Gearshaft,spur, cataloged under National Stock Number 3040-01-685-5235, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-685-5235 |
| Primary Part Number | 71320368-003 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Shaft Type | SMOOTH |
| Shaft Material | STEEL CORROSION RESISTING |
| Shaft Largest Diameter | 0.473 INCHES NOMINAL IN |
| Shaft Diameter | 0.3745 INCHES MINIMUM AND 0.3747 INCHES MAXIMUM IN |
| Teeth Quantity | 20 |
| Diametral Pitch | 32 |
| Gear Outside Diameter | 0.682 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN |
| Longer Shaft Segment Length | 1.272 INCHES MINIMUM AND 1.278 INCHES MAXIMUM IN |
| Gear Material | STEEL CORROSION RESISTING |
| Gear Location on Shaft | ON END OF SHAFT |
| Pressure Angle | 20.0 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 |
|---|---|
| 71320368-003 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 71320368 | D/9 Drawing number reference only Lockheed Martin Corporation |
NSN 3040-01-685-5235 is a Gearshaft,spur, manufactured by Lockheed Martin Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-685-5235 has 1 manufacturer part number on file: 71320368-003 (Lockheed Martin Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-685-6361. Verify interchangeability with system specifications before substitution.
Key specifications for 71320368-003: Shaft Type: SMOOTH; Shaft Material: STEEL CORROSION RESISTING; Shaft Largest Diameter: 0.473 INCHES NOMINAL IN; Shaft Diameter: 0.3745 INCHES MINIMUM AND 0.3747 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.