The Shaft,straight, cataloged under National Stock Number 3040-00-708-8144, 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 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-708-8144 |
| Primary Part Number | 10866089 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| FSC Application Data | 1. FAN DRIVE,ENGINE,NONAIRCRAFT |
| First End Diameter | 0.7495 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN |
| Second End Diameter | 0.7495 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 0.6020 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAY |
| Second End Spline Major Diameter | 0.7360 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-633 FED SPEC ALL MATERIAL RESPONSES |
| First End Keyway Depth | 0.1015 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 11 |
| Second End Style | SPLINED (STRAIGHT) |
| Material | STEEL COMP 1137 OR STEEL COMP 1151 |
| External Keyway Length | 2.1250 INCHES NOMINAL FIRST END IN |
| Second End Spline Length | 0.9380 INCHES NOMINAL IN |
| First End Keyway Width | 0.1863 INCHES MINIMUM AND 0.1880 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 |
|---|---|
| 10866089 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3040PL0895775 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3040007088144 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 2930007088144 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 29307088144 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3040-00-708-8144 is a Shaft,straight, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-708-8144 has 1 manufacturer part number on file: 10866089 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10866089: Surface Finish: 125.0 MICROINCHES; FSC Application Data: 1. FAN DRIVE,ENGINE,NONAIRCRAFT; First End Diameter: 0.7495 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN; Second End Diameter: 0.7495 INCHES MINIMUM AND 0.7505 INCHES MAXIMUM IN. 16 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.