The Shaft,shouldered, cataloged under National Stock Number 3040-00-083-3617, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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 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 | 3040-00-083-3617 |
| Primary Part Number | 550698 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| FSC Application Data | TURBO-FAN HEAT EXCHANGE AIRCRAF |
| Step Quantity | 6 |
| First End Diameter | 0.2495 INCHES NOMINAL IN |
| Second End Diameter | 0.2485 INCHES NOMINAL IN |
| Largest Step Diameter | 0.435 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.2230 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 0.2485 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 11 |
| Second End Pressure Angle | 30.0000 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL CORROSION RESISTING |
| Second End Pitch Diameter | 0.2290 INCHES NOMINAL IN |
| Second End Spline Length | 0.3100 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 |
|---|---|
| 550698 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 3040-00-083-3617 is a Shaft,shouldered, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-083-3617 has 1 manufacturer part number on file: 550698 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-682-0776. Verify interchangeability with system specifications before substitution.
Key specifications for 550698: Surface Finish: 125.0 MICROINCHES; FSC Application Data: TURBO-FAN HEAT EXCHANGE AIRCRAF; Step Quantity: 6; First End Diameter: 0.2495 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 3040-00-083-3617 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.