The Shaft,shouldered, cataloged under National Stock Number 3040-01-216-1520, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-216-1520 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Step Quantity | 4 |
| First End Diameter | 1.0540 INCHES MINIMUM AND 1.0550 INCHES MAXIMUM IN |
| Second End Diameter | 1.4969 INCHES MINIMUM AND 1.4985 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.4969 INCHES MINIMUM AND 1.4985 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 1.1076 INCHES MINIMUM AND 1.1293 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 1.4969 INCHES MINIMUM AND 1.4985 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-N-296 CLA FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 8 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | NICKEL ALLOY |
| Second End Pitch Diameter | 1.3333 INCHES NOMINAL IN |
| Second End Spline Length | 4.0620 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 |
| Reference | Meaning |
|---|---|
| SSN593-204-1863354 PIECE 6 | 5/1 Secondary reference U.S. Government activity |
| 1945215 PIECE 6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-216-1520 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-216-1520: Surface Finish: 125.0 MICROINCHES; Step Quantity: 4; First End Diameter: 1.0540 INCHES MINIMUM AND 1.0550 INCHES MAXIMUM IN; Second End Diameter: 1.4969 INCHES MINIMUM AND 1.4985 INCHES MAXIMUM IN. 16 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.