The Shaft,shouldered, cataloged under National Stock Number 3040-01-052-1165, 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 13 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 | 3040-01-052-1165 |
| Primary Part Number | 12265864 |
| 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 | 2 |
| First End Diameter | 0.2570 INCHES MINIMUM AND 0.2670 INCHES MAXIMUM IN |
| Second End Diameter | 0.3118 INCHES MINIMUM AND 0.3123 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.3118 INCHES MINIMUM AND 0.3123 INCHES MAXIMUM IN |
| First End External Thread Length | 0.373 INCHES NOMINAL IN |
| First End Style | EXTERNALLY THREADED AND FLAT KEYWAY |
| Material Document and Classification | QQ-S-764 CLASS 303 COND A FED SPEC SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.067 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | PLAIN |
| Material | STEEL |
| First End Keyway Width | 0.0960 INCHES MINIMUM AND 0.0970 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 |
|---|---|
| 12265864 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3040-01-052-1165 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 3040-01-052-1165 has 1 manufacturer part number on file: 12265864 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12265864: Surface Finish: 63.0 MICROINCHES; Step Quantity: 2; First End Diameter: 0.2570 INCHES MINIMUM AND 0.2670 INCHES MAXIMUM IN; Second End Diameter: 0.3118 INCHES MINIMUM AND 0.3123 INCHES MAXIMUM IN. 13 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.