The Shaft,shouldered, cataloged under National Stock Number 3040-01-118-7501, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-118-7501 |
| Primary Part Number | 12293701 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 6 |
| First End Diameter | 0.3720 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN |
| Second End Diameter | 0.2178 INCHES MINIMUM AND 0.2179 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Second End Distance From Keyway Center to End | 0.315 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Material Document and Classification | AMS5738 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Keyway Depth | 0.0208 INCHES MINIMUM AND 0.0259 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.0933 INCHES MINIMUM AND 0.0937 INCHES MAXIMUM IN |
| Second End Style | TWO INDENTED FLAT KEYWAYS |
| Material | STEEL COMP 303SE OR STEEL COMP 303 |
| First End Distance From Hole Center to End | 0.126 INCHES NOMINAL IN |
| External Keyway Length | 0.200 INCHES NOMINAL SECOND END 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 |
|---|---|
| 12293701 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 12293701 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3040-01-118-7501 is a Shaft,shouldered, manufactured by Us Army Aviation and Missile Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-118-7501 has 1 manufacturer part number on file: 12293701 (Us Army Aviation and Missile Command).
Key specifications for 12293701: Surface Finish: 32.0 MICROINCHES; Step Quantity: 6; First End Diameter: 0.3720 INCHES MINIMUM AND 0.3740 INCHES MAXIMUM IN; Second End Diameter: 0.2178 INCHES MINIMUM AND 0.2179 INCHES MAXIMUM IN. 15 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.