The Shaft,shouldered, cataloged under National Stock Number 3040-01-026-3014, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 17 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 | 3040-01-026-3014 |
| Primary Part Number | RD17675-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| Step Quantity | 3 |
| First End Diameter | 0.3747 INCHES MINIMUM AND 0.3749 INCHES MAXIMUM IN |
| Second End Diameter | 0.3720 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.3747 INCHES MINIMUM AND 0.3749 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 0.2409 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| First End Style | CIRCULAR GROOVED |
| Second End Spline Major Diameter | 0.3720 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.604 INCHES MINIMUM AND 0.612 INCHES MAXIMUM IN |
| Second End Spline Quantity | 8 |
| First End Groove Diameter | 0.3500 INCHES NOMINAL IN |
| Second End Style | SPLINED (STRAIGHT) |
| Material | STEEL COMP 4140 |
| First End Groove Width | 0.0500 INCHES MINIMUM AND 0.0540 INCHES MAXIMUM IN |
| Second End Spline Length | 0.141 INCHES MINIMUM AND 0.171 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 |
| Part Number | Manufacturer |
|---|---|
| RD17675-1 PRIMARY | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
NSN 3040-01-026-3014 is a Shaft,shouldered, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-026-3014 has 1 manufacturer part number on file: RD17675-1 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for RD17675-1: Surface Finish: 16.0 MICROINCHES; Step Quantity: 3; First End Diameter: 0.3747 INCHES MINIMUM AND 0.3749 INCHES MAXIMUM IN; Second End Diameter: 0.3720 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN. 17 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.