The Shaft,shouldered, cataloged under National Stock Number 3040-01-146-4887, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-146-4887 |
| Primary Part Number | 8338653 |
| Item Name | Shaft,shouldered |
| 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 |
| Step Quantity | 1 |
| First End Diameter | 0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Second End Diameter | 0.4998 INCHES MINIMUM AND 0.5001 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.472 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN |
| First End Style | CIRCULAR GROOVED |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.4720 INCHES MINIMUM AND 0.4800 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.105 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN |
| Second End Groove Width | 0.0490 INCHES MINIMUM AND 0.0520 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.060 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| First End Groove Diameter | 0.4219 INCHES MINIMUM AND 0.4531 INCHES MAXIMUM IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL |
| First End Groove Width | 0.0469 INCHES MINIMUM AND 0.0781 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 |
|---|---|
| 8338653 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-01-146-4887 is a Shaft,shouldered, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-146-4887 has 1 manufacturer part number on file: 8338653 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8338653: Surface Finish: 63.0 MICROINCHES; Step Quantity: 1; First End Diameter: 0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN; Second End Diameter: 0.4998 INCHES MINIMUM AND 0.5001 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.