The Shaft,straight, cataloged under National Stock Number 3040-01-381-1860, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-381-1860 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| First End Pitch Diameter | 0.9375 INCHES NOMINAL IN |
| First End Diameter | 0.9690 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 0.9690 INCHES MAXIMUM IN |
| First End Style | SPLINED (INVOLUTE) |
| First End Pressure Angle | 30.0 DEGREES NOMINAL |
| First End Spline Length | 22.075 INCHES NOMINAL IN |
| First End Spline Quantity | 30 |
| End Similarity | IDENTICAL |
| First End Spline Minor Diameter | 0.8820 INCHES NOMINAL IN |
| Material | STEEL COMP 17-4PH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 025128-1 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| 025128-1 | 3/9 Design control — primary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
NSN 3040-01-381-1860 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-381-1860: Surface Finish: 125.0 MICROINCHES; First End Pitch Diameter: 0.9375 INCHES NOMINAL IN; First End Diameter: 0.9690 INCHES MAXIMUM IN; First End Spline Major Diameter: 0.9690 INCHES MAXIMUM IN. 11 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.
NSN 3040-01-381-1860 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.