The Shaft,straight, cataloged under National Stock Number 3040-01-021-8866, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-021-8866 |
| Primary Part Number | 417872 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| First End Diameter | 0.3930 INCHES MINIMUM AND 0.3960 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 0.3930 INCHES MINIMUM AND 0.3960 INCHES MAXIMUM IN |
| First End Style | SPLINED (STRAIGHT) |
| First End Spline Length | 0.700 INCHES NOMINAL IN |
| End Similarity | IDENTICAL |
| First End Spline Minor Diameter | 0.3250 INCHES MINIMUM AND 0.3330 INCHES MAXIMUM IN |
| Material | STEEL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 417872 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 3040-01-021-8866 is a Shaft,straight, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-021-8866 has 1 manufacturer part number on file: 417872 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for 417872: First End Diameter: 0.3930 INCHES MINIMUM AND 0.3960 INCHES MAXIMUM IN; First End Spline Major Diameter: 0.3930 INCHES MINIMUM AND 0.3960 INCHES MAXIMUM IN; First End Style: SPLINED (STRAIGHT); Overall Length: 2.043 INCHES NOMINAL IN. 7 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 3040-01-021-8866 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.