The Shaft,shouldered, cataloged under National Stock Number 3040-01-474-2189, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-474-2189 |
| Primary Part Number | 65850-05166-102 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Step Quantity | 18 |
| First End Diameter | 0.4721 INCHES MINIMUM AND 0.4726 INCHES MAXIMUM IN |
| Second End Diameter | 0.3933 INCHES MINIMUM AND 0.3937 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.303 INCHES MINIMUM AND 1.313 INCHES MAXIMUM IN |
| First End Style | CIRCULAR GROOVED |
| Material Document and Classification | AMS6260 ASSN STD SINGLE MATERIAL RESPONSE AND AMS6265 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.3670 INCHES MINIMUM AND 0.3710 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.431 INCHES NOMINAL IN |
| Second End Groove Width | 0.0290 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.113 INCHES NOMINAL IN |
| First End Groove Diameter | 0.4410 INCHES MINIMUM AND 0.4450 INCHES MAXIMUM IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL |
| First End Groove Width | 0.0290 INCHES MINIMUM AND 0.0320 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 |
|---|---|
| 65850-05166-102 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 65850-05166 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 3040-01-474-2189 is a Shaft,shouldered, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-474-2189 has 1 manufacturer part number on file: 65850-05166-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 65850-05166-102: Surface Finish: 125.0 MICROINCHES; Step Quantity: 18; First End Diameter: 0.4721 INCHES MINIMUM AND 0.4726 INCHES MAXIMUM IN; Second End Diameter: 0.3933 INCHES MINIMUM AND 0.3937 INCHES MAXIMUM IN. 16 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.