The Shaft,shouldered, cataloged under National Stock Number 3040-01-126-6012, 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 10 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 | 3040-01-126-6012 |
| Primary Part Number | 65130-07121-104 |
| 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 | 3 |
| First End Diameter | 0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Material Document and Classification | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | IDENTICAL |
| First End Hole Diameter | 0.1280 INCHES MINIMUM AND 0.1290 INCHES MAXIMUM IN |
| Material | STEEL COMP 17-4PH |
| First End Distance From Hole Center to End | 0.375 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 |
|---|---|
| 65130-07121-104 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 3040-01-126-6012 is a Shaft,shouldered, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-126-6012 has 1 manufacturer part number on file: 65130-07121-104 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 65130-07121-104: Surface Finish: 125.0 MICROINCHES; Step Quantity: 3; First End Diameter: 0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN; Largest Step Diameter: 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. 10 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 3040-01-126-6012 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.