The Shaft,shouldered, cataloged under National Stock Number 3040-00-491-6317, 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 18 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-491-6317 |
| Primary Part Number | 65355-12122-103 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Surface Finish | 90.0 MICROINCHES |
| First End Width Across Flats | 0.243 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Step Quantity | 3 |
| First End Diameter | 0.4500 INCHES NOMINAL IN |
| First End Step Length | 0.500 INCHES NOMINAL IN |
| Second End Diameter | 0.4450 INCHES MINIMUM AND 0.4500 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.450 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.2900 INCHES MINIMUM AND 0.3000 INCHES MAXIMUM IN |
| First End Style | SQUARE (ROUND CORNERS) |
| Second End Spline Major Diameter | 0.4450 INCHES MINIMUM AND 0.4500 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 8 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL COMP 9310 |
| Second End Pitch Diameter | 0.4000 INCHES NOMINAL IN |
| Second End Spline Length | 0.312 INCHES NOMINAL IN |
| 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 |
|---|---|
| 65355-12122-103 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 65355-12122-102 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 65355-12122-101 | 5/9 Secondary reference Aero Gear Incorporated |
| 65355-12122-101 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 65355-12122-103 | 5/9 Secondary reference Voges Mfg Co Inc |
| 65355-12122-103 | 5/9 Secondary reference Bmt Aerospace Usa, Inc. |
NSN 3040-00-491-6317 is a Shaft,shouldered, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-491-6317 has 1 manufacturer part number on file: 65355-12122-103 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 65355-12122-103: Surface Finish: 90.0 MICROINCHES; First End Width Across Flats: 0.243 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN; Step Quantity: 3; First End Diameter: 0.4500 INCHES NOMINAL IN. 18 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 3040-00-491-6317 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.