The Shaft,shouldered, cataloged under National Stock Number 3040-00-055-4933, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-055-4933 |
| Primary Part Number | 10925647 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| FSC Application Data | FAN DRIVE,ENGINE,NON-AIRCRAFT |
| Second End External Thread Length | 0.531 INCHES MINIMUM IN |
| First End Pitch Diameter | 0.8750 INCHES NOMINAL IN |
| Step Quantity | 7 |
| First End Diameter | 0.8090 INCHES MINIMUM AND 0.8110 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 0.9033 INCHES MINIMUM AND 0.9063 INCHES MAXIMUM IN |
| Second End Diameter | 0.9835 INCHES MINIMUM AND 0.9840 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.002 INCHES NOMINAL IN |
| First End Style | SPLINED (INVOLUTE) |
| Second End Keyway Width | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| First End Pressure Angle | 30.0000 DEGREES NOMINAL |
| First End Spline Length | 0.938 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.104 INCHES NOMINAL IN |
| First End Spline Quantity | 28 |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNALLY THREADED AND FLAT KEYWAY |
| First End Spline Minor Diameter | 0.8045 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| External Keyway Length | 0.750 INCHES NOMINAL SECOND END 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 |
|---|---|
| 10925647 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3040000554933 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3040-00-055-4933 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 3040-00-055-4933 has 1 manufacturer part number on file: 10925647 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10925647: Surface Finish: 16.0 MICROINCHES; FSC Application Data: FAN DRIVE,ENGINE,NON-AIRCRAFT; Second End External Thread Length: 0.531 INCHES MINIMUM IN; First End Pitch Diameter: 0.8750 INCHES NOMINAL IN. 21 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.