The Shaft,shouldered, cataloged under National Stock Number 3040-00-143-5345, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-143-5345 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 4 |
| First End Diameter | 0.1610 INCHES MINIMUM AND 0.1690 INCHES MAXIMUM IN |
| Second End Diameter | 0.4335 INCHES MINIMUM AND 0.4345 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.590 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 0.4075 INCHES MINIMUM AND 0.4095 INCHES MAXIMUM IN |
| First End Style | FLAT KEYWAY |
| Second End Spline Major Diameter | 0.4335 INCHES MINIMUM AND 0.4345 INCHES MAXIMUM IN |
| Material Document and Classification | AMS6330 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6320 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR 9-2901 MFR REF SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.071 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 36 |
| Second End Pressure Angle | 40.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL |
| Second End Pitch Diameter | 0.4190 INCHES MINIMUM AND 0.4210 INCHES MAXIMUM IN |
| External Keyway Length | 0.313 INCHES NOMINAL FIRST END IN |
| Second End Spline Length | 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN |
| First End Keyway Width | 0.0580 INCHES MINIMUM AND 0.0595 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 |
|---|---|
| 10-15740 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
| 10-15740Y | 3/9 Design control — primary reference Continental Aerospace Technologies, Inc. |
| 10-15740 | 5/9 Secondary reference Unison Industries Llc |
| 10-15740Y | 5/9 Secondary reference Unison Industries Llc |
| 10-15740Y | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
NSN 3040-00-143-5345 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-143-5345: Step Quantity: 4; First End Diameter: 0.1610 INCHES MINIMUM AND 0.1690 INCHES MAXIMUM IN; Second End Diameter: 0.4335 INCHES MINIMUM AND 0.4345 INCHES MAXIMUM IN; Largest Step Diameter: 0.590 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN. 18 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.