The Shaft,shouldered, cataloged under National Stock Number 3040-01-139-6846, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Honeywell International Inc Div Aerospace-South Bend (bendix Dr). 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-139-6846 |
| Primary Part Number | 2657040 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| FSC Application Data | FUEL SYSTEM,AIRCRAFT ENGINE |
| Step Quantity | 18 |
| First End Diameter | 0.1850 INCHES NOMINAL IN |
| Second End Diameter | 0.1875 INCHES NOMINAL IN |
| Largest Step Diameter | 0.550 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.1740 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 0.1875 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 36 |
| Second End Pressure Angle | 45.000 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL CORROSION RESISTING |
| Second End Pitch Diameter | 0.1820 INCHES NOMINAL IN |
| Second End Spline Length | 0.580 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 |
|---|---|
| 2657040 PRIMARY | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
| Reference | Meaning |
|---|---|
| 10159286 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 3040-01-139-6846 is a Shaft,shouldered, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-139-6846 has 1 manufacturer part number on file: 2657040 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)).
Key specifications for 2657040: Surface Finish: 125.0 MICROINCHES; FSC Application Data: FUEL SYSTEM,AIRCRAFT ENGINE; Step Quantity: 18; First End Diameter: 0.1850 INCHES NOMINAL 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.
NSN 3040-01-139-6846 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.