The Shaft,shouldered, cataloged under National Stock Number 3040-01-343-1888, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-343-1888 |
| Primary Part Number | 84168 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Second End External Thread Length | 0.2500 INCHES NOMINAL IN |
| Step Quantity | 11 |
| First End Diameter | 0.1880 INCHES NOMINAL IN |
| First End Spline Major Diameter | 0.1880 INCHES NOMINAL IN |
| Second End Diameter | 0.1380 INCHES NOMINAL IN |
| Largest Step Diameter | 0.463 INCHES NOMINAL IN |
| First End Style | SPLINED (STRAIGHT) |
| Material Document and Classification | AMS5659 15-5 PH CRES ASSN STD SINGLE MATERIAL RESPONSE |
| First End Spline Length | 0.2830 INCHES NOMINAL IN |
| First End Spline Quantity | 8 |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| First End Spline Minor Diameter | 0.1390 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-01-343-1888 is a Shaft,shouldered, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-343-1888 has 2 manufacturer part numbers on file: 84168 (Pti Technologies Inc.), 84168 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).
Key specifications for 84168: Surface Finish: 63.0 MICROINCHES; Second End External Thread Length: 0.2500 INCHES NOMINAL IN; Step Quantity: 11; First End Diameter: 0.1880 INCHES NOMINAL IN. 15 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.
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.