The Gearshaft,spur, cataloged under National Stock Number 3040-00-149-8450, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-149-8450 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL CORROSION RESISTING |
| Shaft Largest Diameter | 0.106 INCHES NOMINAL IN |
| Shaft End Size | 0.062 INCHES AND 0.074 INCHES IN |
| Teeth Quantity | 25 |
| Diametral Pitch | 120 |
| Gear Outside Diameter | 0.223 INCHES NOMINAL IN |
| Longer Shaft Segment Length | 0.740 INCHES NOMINAL IN |
| Hardness Rating | 32.0 ROCKWELL C NOMINAL OVERALL |
| Gear Material | STEEL CORROSION RESISTING |
| Shaft End Type | PLAIN |
| Gear Location on Shaft | OFF CENTER BETWEEN ENDS OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.215 INCHES NOMINAL IN |
| 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 |
| Reference | Meaning |
|---|---|
| 9A183 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-149-8450 is a Gearshaft,spur, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-149-8450: Shaft Type: SHOULDERED; Shaft Material: STEEL CORROSION RESISTING; Shaft Largest Diameter: 0.106 INCHES NOMINAL IN; Shaft End Size: 0.062 INCHES AND 0.074 INCHES IN. 14 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 3040-00-149-8450 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.