The Shaft,shouldered, cataloged under National Stock Number 3040-00-678-6765, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-678-6765 |
| Primary Part Number | 10863921 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Second End Hole Diameter | 0.2475 INCHES NOMINAL IN |
| Step Quantity | 4 |
| First End Diameter | 0.3750 INCHES NOMINAL IN |
| Second End Diameter | 0.6230 INCHES NOMINAL IN |
| Largest Step Diameter | 0.749 INCHES NOMINAL IN |
| First End External Thread Length | 1.250 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Material Document and Classification | QQ-S-763,COND. A FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 0.345 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL COMP 420 |
| 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 |
|---|---|
| 10863921 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 25306786765 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 2530006786765 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3040-00-678-6765 is a Shaft,shouldered, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-678-6765 has 1 manufacturer part number on file: 10863921 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10863921: Second End Hole Diameter: 0.2475 INCHES NOMINAL IN; Step Quantity: 4; First End Diameter: 0.3750 INCHES NOMINAL IN; Second End Diameter: 0.6230 INCHES NOMINAL 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.