The Shaft,shouldered, cataloged under National Stock Number 3040-00-010-0302, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Motors Corp. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-010-0302 |
| Primary Part Number | 5566876 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Step Quantity | 6 |
| First End Diameter | 1.2470 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM IN |
| Second End Diameter | 1.2470 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.375 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 1.3060 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 1.3730 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 48 |
| Second End Pressure Angle | 90.0000 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL |
| Second End Pitch Diameter | 1.3410 INCHES NOMINAL IN |
| Second End Spline Length | 0.469 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 |
|---|---|
| 5566876 | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 5566876 | 3/9 Design control — primary reference General Motors Llc Dba General Motors |
| 2990000100302 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5566876 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 3040-00-010-0302 is a Shaft,shouldered, manufactured by General Motors Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-010-0302 has 1 manufacturer part number on file: 5566876 (General Motors Corp).
Key specifications for 5566876: Step Quantity: 6; First End Diameter: 1.2470 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM IN; Second End Diameter: 1.2470 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN; Largest Step Diameter: 1.375 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.