The Shaft,shouldered, cataloged under National Stock Number 3040-01-196-9779, 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 13 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 | 3040-01-196-9779 |
| Primary Part Number | RG38727 |
| 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 | 0.9990 INCHES MINIMUM AND 0.9995 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.000 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.5500 INCHES MINIMUM AND 0.5550 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 0.6900 INCHES MINIMUM AND 0.7000 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-6709,COMP A MIL SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL |
| Second End Pitch Diameter | 0.6000 INCHES NOMINAL IN |
| Second End Spline Length | 0.751 INCHES MINIMUM AND 0.756 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 |
|---|---|
| RG38727 PRIMARY | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
NSN 3040-01-196-9779 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 3040-01-196-9779 has 1 manufacturer part number on file: RG38727 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for RG38727: Surface Finish: 16.0 MICROINCHES; Step Quantity: 3; First End Diameter: 0.9990 INCHES MINIMUM AND 0.9995 INCHES MAXIMUM IN; Largest Step Diameter: 1.000 INCHES NOMINAL IN. 13 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.