The Shaft,shouldered, cataloged under National Stock Number 3040-01-203-9886, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-203-9886 |
| Primary Part Number | 23018118 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Step Quantity | 5 |
| First End Diameter | 0.9975 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM IN |
| Second End Diameter | 1.6797 INCHES MINIMUM AND 1.6825 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.777 INCHES MINIMUM AND 1.782 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 1.4020 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 1.5520 INCHES MINIMUM AND 1.5620 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 24 |
| Second End Style | SPLINED (STRAIGHT) |
| Material | STEEL |
| Second End Spline Length | 1.743 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 | N |
| Part Number | Manufacturer |
|---|---|
| 23018118 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 3040-01-203-9886 is a Shaft,shouldered, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-203-9886 has 1 manufacturer part number on file: 23018118 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 23018118: Step Quantity: 5; First End Diameter: 0.9975 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM IN; Second End Diameter: 1.6797 INCHES MINIMUM AND 1.6825 INCHES MAXIMUM IN; Largest Step Diameter: 1.777 INCHES MINIMUM AND 1.782 INCHES MAXIMUM 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 3040-01-203-9886 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.