The Shaft,shouldered, cataloged under National Stock Number 3040-00-231-0056, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-231-0056 |
| Primary Part Number | 5150216 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Step Quantity | 2 |
| First End Diameter | 1.1750 INCHES NOMINAL IN |
| Second End Diameter | 0.9860 INCHES NOMINAL IN |
| Largest Step Diameter | 1.175 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.9450 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 0.9860 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 48 |
| Second End Pressure Angle | 45.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL |
| Second End Pitch Diameter | 0.9770 INCHES NOMINAL IN |
| Second End Spline Length | 1.000 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 |
| Part Number | Manufacturer |
|---|---|
| 019-00001-206 | Kovatch Corp. (USA) |
| 5150216 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| 1DD992 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 1DD992 | 5/9 Secondary reference Oshkosh Corp |
NSN 3040-00-231-0056 is a Shaft,shouldered, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-231-0056 has 3 manufacturer part numbers on file: 019-00001-206 (Kovatch Corp.), 5150216 (Rolls-Royce Solutions America Inc), 1DD992 (Oshkosh Defense Llc).
Key specifications for 5150216: Step Quantity: 2; First End Diameter: 1.1750 INCHES NOMINAL IN; Second End Diameter: 0.9860 INCHES NOMINAL IN; Largest Step Diameter: 1.175 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.
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.