The Shaft,shouldered, cataloged under National Stock Number 3040-01-140-3831, 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 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-140-3831 |
| Primary Part Number | 2663771 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| Status | ACTIVE |
| Step Quantity | 4 |
| First End Diameter | 0.1250 INCHES NOMINAL IN |
| Second End Diameter | 0.1800 INCHES NOMINAL IN |
| Second End Step Length | 0.380 INCHES NOMINAL IN |
| Largest Step Diameter | 0.180 INCHES NOMINAL IN |
| First End External Thread Length | 0.250 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Criticality Code Justification | FEAT |
| Material Document and Classification | 2663771,FSCM 06848 MFR REF SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Material | STEEL CORROSION RESISTING |
| Second End Width Across Flats | 0.090 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 2663771 PRIMARY | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
| 2663771 | Aero International, Llc Dba Ams Engineered Solutions (USA) |
| Reference | Meaning |
|---|---|
| 10106916 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 3040-01-140-3831 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 3040-01-140-3831 has 2 manufacturer part numbers on file: 2663771 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), 2663771 (Aero International, Llc Dba Ams Engineered Solutions).
1 possible match (shared part number, not a government interchangeability claim): 5975-01-318-4711. Verify interchangeability with system specifications before substitution.
Key specifications for 2663771: Step Quantity: 4; First End Diameter: 0.1250 INCHES NOMINAL IN; Second End Diameter: 0.1800 INCHES NOMINAL IN; Second End Step Length: 0.380 INCHES NOMINAL IN. 12 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 3040-01-140-3831 has DEMIL Code B. 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.