The Shaft,straight, cataloged under National Stock Number 3040-01-083-5644, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-083-5644 |
| Primary Part Number | 12284021 |
| 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 |
| First End Diameter | 0.3120 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Material Document and Classification | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | IDENTICAL |
| First End Distance From End to Groove | 0.090 INCHES NOMINAL IN |
| First End Groove Diameter | 0.2900 INCHES NOMINAL IN |
| Material | STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1024 OR STEEL COMP 1025 |
| First End Groove Width | 0.0290 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 |
|---|---|
| 12284021 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| XM6028 | 5/9 Secondary reference General Dynamics Land Systems Inc. |
NSN 3040-01-083-5644 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 3040-01-083-5644 has 1 manufacturer part number on file: 12284021 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12284021: Surface Finish: 63.0 MICROINCHES; First End Diameter: 0.3120 INCHES NOMINAL IN; First End Style: CIRCULAR GROOVED; Material Document and Classification: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE. 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.