The Shaft,straight, cataloged under National Stock Number 3040-01-101-3980, 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 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-101-3980 |
| Primary Part Number | 12292458 |
| 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 | 16.0 MICROINCHES |
| First End Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Second End Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Material Document and Classification | AISI4140 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.4680 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.1880 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM IN |
| Second End Groove Width | 0.0440 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.087 INCHES NOMINAL IN |
| Second End Style | TWO CIRCULAR GROOVES |
| Material | STEEL |
| First End Distance From Hole Center to End | 0.906 INCHES NOMINAL IN |
| Second End Distance Between First and Second Groove Centers | 0.996 INCHES NOMINAL 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 |
|---|---|
| 12292458 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-01-101-3980 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 3040-01-101-3980 has 1 manufacturer part number on file: 12292458 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12292458: Surface Finish: 16.0 MICROINCHES; First End Diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; Second End Diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN; First End Style: UNTHREADED CROSS DRILLED. 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.
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.