The Shaft,shouldered, cataloged under National Stock Number 3040-00-509-9269, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-509-9269 |
| Primary Part Number | 507758 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Surface Finish | 20.0 MICROINCHES |
| Second End Hole Diameter | 0.0940 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM IN |
| Step Quantity | 4 |
| First End Diameter | 0.1854 INCHES MINIMUM AND 0.1864 INCHES MAXIMUM IN |
| Second End Diameter | 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 0.2230 INCHES MINIMUM AND 0.2250 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material Document and Classification | HS279 TYPE I MFR REF SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Second End Hole Depth | 0.250 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 18 |
| Second End Style | CROSS DRILLED HOLE AND SPLINED (STRAIGHT) |
| Material | STEEL |
| Second End Spline Length | 0.440 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 |
|---|---|
| 507758 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 507758 | 3/9 Design control — primary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 3040-00-509-9269 is a Shaft,shouldered, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-509-9269 has 1 manufacturer part number on file: 507758 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 507758: Surface Finish: 20.0 MICROINCHES; Second End Hole Diameter: 0.0940 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM IN; Step Quantity: 4; First End Diameter: 0.1854 INCHES MINIMUM AND 0.1864 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.
NSN 3040-00-509-9269 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.