The Axle,straight, cataloged under National Stock Number 3040-01-646-8121, 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 10 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 | 3040-01-646-8121 |
| Primary Part Number | 12446469 |
| Item Name | Axle,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Second End Hole Diameter | 0.079 INCHES NOMINAL IN |
| First End Diameter | 1.375 INCHES NOMINAL IN |
| Second End Diameter | 1.375 INCHES NOMINAL IN |
| First End Style | FLAT GROOVED AND INTERNALLY THREADED |
| First End Internal Thread Length | 0.380 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A600 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 0.190 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 |
|---|---|
| 12446469 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-01-646-8121 is a Axle,straight, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-646-8121 has 1 manufacturer part number on file: 12446469 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12446469: Second End Hole Diameter: 0.079 INCHES NOMINAL IN; First End Diameter: 1.375 INCHES NOMINAL IN; Second End Diameter: 1.375 INCHES NOMINAL IN; First End Style: FLAT GROOVED AND INTERNALLY THREADED. 10 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.