The Shaft,shouldered, cataloged under National Stock Number 3040-01-040-5214, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 14 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 | 3040-01-040-5214 |
| Primary Part Number | 12008736 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| First End Width Across Flats | 0.623 INCHES NOMINAL IN |
| Step Quantity | 5 |
| First End Diameter | 0.7500 INCHES NOMINAL IN |
| First End Step Length | 0.690 INCHES NOMINAL IN |
| Second End Diameter | 1.3700 INCHES NOMINAL IN |
| Second End Step Length | 0.750 INCHES NOMINAL IN |
| Largest Step Diameter | 1.370 INCHES NOMINAL IN |
| First End Style | SQUARE (ROUND CORNERS) |
| Material Document and Classification | QQ-B-728,CLASS B,HARD FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | SQUARE (ROUND CORNERS) |
| Material | COPPER ALLOY |
| Second End Width Across Flats | 0.863 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12008736 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3040-01-040-5214 is a Shaft,shouldered, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-040-5214 has 1 manufacturer part number on file: 12008736 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 12008736: Surface Finish: 125.0 MICROINCHES; First End Width Across Flats: 0.623 INCHES NOMINAL IN; Step Quantity: 5; First End Diameter: 0.7500 INCHES NOMINAL IN. 14 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.
NSN 3040-01-040-5214 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.