The Shaft,straight, cataloged under National Stock Number 3040-01-303-2489, 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 9 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 | 3040-01-303-2489 |
| Primary Part Number | 12370106 |
| 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 | 63.0 MICROINCHES |
| Second End Hole Diameter | 0.3750 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM IN |
| First End Diameter | 2.4950 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN |
| Second End Diameter | 2.4950 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Distance From Hole Center to End | 0.6250 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL |
| 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 |
|---|---|
| 12370106 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-01-303-2489 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 3040-01-303-2489 has 1 manufacturer part number on file: 12370106 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12370106: Surface Finish: 63.0 MICROINCHES; Second End Hole Diameter: 0.3750 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM IN; First End Diameter: 2.4950 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN; Second End Diameter: 2.4950 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN. 9 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.