The Shaft,shouldered, cataloged under National Stock Number 3040-01-216-3952, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 12 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 | 3040-01-216-3952 |
| Primary Part Number | 23018157 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| First End Pitch Diameter | 1.3125 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 1.3570 INCHES NOMINAL IN |
| First End Spline Major Diameter | 1.3570 INCHES NOMINAL IN |
| Largest Step Diameter | 1.357 INCHES NOMINAL IN |
| First End Style | SPLINED (INVOLUTE) |
| First End Pressure Angle | 30.0 DEGREES NOMINAL |
| First End Spline Length | 1.570 INCHES NOMINAL IN |
| First End Spline Quantity | 21 |
| End Similarity | IDENTICAL |
| First End Spline Minor Diameter | 1.2140 INCHES NOMINAL IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-01-216-3952 is a Shaft,shouldered, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-216-3952 has 2 manufacturer part numbers on file: 23018157 (Allison Transmission Inc Dba Allison Transmission, Inc), 23018157 (Hema Disli Sanayi Ve Tic.a.s.).
Key specifications for 23018157: First End Pitch Diameter: 1.3125 INCHES NOMINAL IN; Step Quantity: 3; First End Diameter: 1.3570 INCHES NOMINAL IN; First End Spline Major Diameter: 1.3570 INCHES NOMINAL IN. 12 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 3040-01-216-3952 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.