The Shaft,shouldered, cataloged under National Stock Number 3040-00-891-1897, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-891-1897 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First End Pitch Diameter | 0.6000 INCHES NOMINAL IN |
| Step Quantity | 7 |
| First End Diameter | 0.6450 INCHES MINIMUM AND 0.6500 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 0.6450 INCHES MINIMUM AND 0.6500 INCHES MAXIMUM IN |
| Second End Diameter | 0.6450 INCHES MINIMUM AND 0.6500 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 0.4800 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| First End Style | SPLINED (INVOLUTE) |
| Second End Spline Major Diameter | 0.6450 INCHES MINIMUM AND 0.6500 INCHES MAXIMUM IN |
| First End Pressure Angle | 30.0 DEGREES NOMINAL |
| First End Spline Length | 0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| First End Spline Quantity | 12 |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 12 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| First End Spline Minor Diameter | 0.5000 INCHES MINIMUM AND 0.5200 INCHES MAXIMUM IN |
| Material | STEEL |
| Second End Pitch Diameter | 0.6000 INCHES NOMINAL IN |
| Second End Spline Length | 0.850 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2481789 | 3/2 Design control — primary reference U.S. Government activity |
| 2481789 | 5/9 Secondary reference Ace G & M of Texas Inc. Dba Ace G & M of Texas |
NSN 3040-00-891-1897 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-891-1897: First End Pitch Diameter: 0.6000 INCHES NOMINAL IN; Step Quantity: 7; First End Diameter: 0.6450 INCHES MINIMUM AND 0.6500 INCHES MAXIMUM IN; First End Spline Major Diameter: 0.6450 INCHES MINIMUM AND 0.6500 INCHES MAXIMUM IN. 20 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.