The Shaft,shouldered, cataloged under National Stock Number 3040-00-771-0826, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-771-0826 |
| Primary Part Number | 6525050 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Second End External Thread Length | 0.312 INCHES NOMINAL IN |
| Step Quantity | 6 |
| First End Diameter | 0.3930 INCHES NOMINAL IN |
| Second End Diameter | 0.3750 INCHES NOMINAL IN |
| Largest Step Diameter | 1.002 INCHES NOMINAL IN |
| First End Style | PLAIN |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL |
| 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 |
|---|---|
| 6525050 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 6525050 | 5/9 Secondary reference General Motors Corp |
| 6525050 | 5/9 Secondary reference Aeroproducts Opns of Allison Div of General Motors Corp |
NSN 3040-00-771-0826 is a Shaft,shouldered, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-771-0826 has 1 manufacturer part number on file: 6525050 (Rolls-Royce Solutions America Inc).
Key specifications for 6525050: Second End External Thread Length: 0.312 INCHES NOMINAL IN; Step Quantity: 6; First End Diameter: 0.3930 INCHES NOMINAL IN; Second End Diameter: 0.3750 INCHES NOMINAL IN. 9 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.