The Shaft,shouldered, cataloged under National Stock Number 3040-01-236-0623, 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 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-236-0623 |
| Primary Part Number | 11684151 |
| 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 |
| First End Width Across Flats | 1.120 INCHES NOMINAL IN |
| Step Quantity | 4 |
| First End Diameter | 1.5000 INCHES NOMINAL IN |
| First End Step Length | 1.220 INCHES NOMINAL IN |
| Second End Diameter | 0.8645 INCHES NOMINAL IN |
| Largest Step Diameter | 1.500 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.7080 INCHES NOMINAL IN |
| First End Style | HEXAGONAL |
| Second End Spline Major Diameter | 0.8645 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 16 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 |
| Second End Pitch Diameter | 0.8000 INCHES NOMINAL IN |
| Second End Spline Length | 1.500 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 |
NSN 3040-01-236-0623 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 3040-01-236-0623 has 2 manufacturer part numbers on file: 11684151 (Renk America Llc Div Renk America), 11684151 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11684151: Surface Finish: 63.0 MICROINCHES; First End Width Across Flats: 1.120 INCHES NOMINAL IN; Step Quantity: 4; First End Diameter: 1.5000 INCHES NOMINAL IN. 18 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.