The Shaft,shouldered, cataloged under National Stock Number 3040-01-042-8623, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Astronautics Corporation of America. Government technical data includes 10 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 | 3040-01-042-8623 |
| Primary Part Number | 112504 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| First End Taper Length | 0.440 INCHES NOMINAL IN |
| Largest Step Diameter | 0.324 INCHES MINIMUM AND 0.326 INCHES MAXIMUM IN |
| First End Style | TAPERED WITH FLAT |
| Second End Groove Diameter | 0.1470 INCHES MINIMUM AND 0.1490 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0290 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.060 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 112504 PRIMARY | Astronautics Corporation of America (USA) |
NSN 3040-01-042-8623 is a Shaft,shouldered, manufactured by Astronautics Corporation of America, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-042-8623 has 1 manufacturer part number on file: 112504 (Astronautics Corporation of America).
Key specifications for 112504: Surface Finish: 63.0 MICROINCHES; First End Taper Length: 0.440 INCHES NOMINAL IN; Largest Step Diameter: 0.324 INCHES MINIMUM AND 0.326 INCHES MAXIMUM IN; First End Style: TAPERED WITH FLAT. 10 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.