The Shaft,shouldered, cataloged under National Stock Number 3040-00-896-1996, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-896-1996 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First End Pitch Diameter | 0.7913 INCHES NOMINAL IN |
| Step Quantity | 11 |
| First End Diameter | 0.7972 INCHES MINIMUM AND 0.8022 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 0.7972 INCHES MINIMUM AND 0.8022 INCHES MAXIMUM IN |
| Second End Diameter | 0.8100 INCHES NOMINAL IN |
| Second End Step Length | 0.555 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.850 INCHES MINIMUM AND 0.854 INCHES MAXIMUM IN |
| First End Style | SPLINED (INVOLUTE) |
| Second End Angle Between Flats | 180.0 DEGREES NOMINAL |
| Material Document and Classification | AMS5743 CSYMJB63.0 ASSN STD SINGLE MATERIAL RESPONSE |
| First End Pressure Angle | 30.0000 DEGREES NOMINAL |
| First End Spline Length | 0.600 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| First End Spline Quantity | 25 |
| End Similarity | NOT IDENTICAL |
| Second End Style | TWO FLATS |
| First End Spline Minor Diameter | 0.7318 INCHES MINIMUM AND 0.7398 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| 868605-5 | 3/2 Design control — primary reference U.S. Government activity |
| 868180-1 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-896-1996 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-213-0962, 7025-01-235-7889. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-00-896-1996: First End Pitch Diameter: 0.7913 INCHES NOMINAL IN; Step Quantity: 11; First End Diameter: 0.7972 INCHES MINIMUM AND 0.8022 INCHES MAXIMUM IN; First End Spline Major Diameter: 0.7972 INCHES MINIMUM AND 0.8022 INCHES MAXIMUM IN. 17 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.