The Gearshaft,spur, cataloged under National Stock Number 3040-00-678-4236, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-678-4236 |
| Primary Part Number | 8682814 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL COMP 8615 OR STEEL COMP 8620 OR STEEL COMP 8720 |
| Shaft End Size | 1.190 INCHES AND 1.186 INCHES IN |
| Teeth Quantity | 35 |
| Diametral Pitch | 9 |
| Gear Outside Diameter | 4.101 INCHES MINIMUM AND 4.111 INCHES MAXIMUM IN |
| Longer Shaft Segment Length | 1.900 INCHES NOMINAL IN |
| Gear Material | STEEL COMP 8615 OR STEEL COMP 8620 OR STEEL COMP 8720 |
| Shaft End Type | PLAIN AND SPLINED INVOLUTE, INTERNAL |
| Gear Location on Shaft | OFF CENTER BETWEEN ENDS OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM 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 |
|---|---|
| 8682814 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3040006784236 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3040-00-678-4236 is a Gearshaft,spur, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-678-4236 has 1 manufacturer part number on file: 8682814 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8682814: Shaft Type: SHOULDERED; Shaft Material: STEEL COMP 8615 OR STEEL COMP 8620 OR STEEL COMP 8720; Shaft End Size: 1.190 INCHES AND 1.186 INCHES IN; Teeth Quantity: 35. 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.