The Shaft,shouldered, cataloged under National Stock Number 3040-00-004-9432, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-004-9432 |
| Primary Part Number | 666230-171 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| Status | ACTIVE |
| Step Quantity | 5 |
| First End Diameter | 0.2490 INCHES NOMINAL IN |
| Largest Step Diameter | 0.250 INCHES NOMINAL IN |
| First End Hole Depth | 0.247 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.1240 INCHES NOMINAL IN |
| Material | STEEL |
| First End Distance From Hole Center to End | 0.145 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 666230-171 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
NSN 3040-00-004-9432 is a Shaft,shouldered, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-004-9432 has 1 manufacturer part number on file: 666230-171 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc).
Key specifications for 666230-171: Step Quantity: 5; First End Diameter: 0.2490 INCHES NOMINAL IN; Largest Step Diameter: 0.250 INCHES NOMINAL IN; First End Hole Depth: 0.247 INCHES NOMINAL IN. 9 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.