The Shaft,shouldered, cataloged under National Stock Number 3040-01-439-7626, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Sewart Supply, L.l.c.. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-439-7626 |
| Primary Part Number | 105278 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sewart Supply, L.l.c. |
| Status | ACTIVE |
| Step Quantity | 5 |
| First End Diameter | 23.5 MILLIMETERS MINIMUM AND 23.9 MILLIMETERS MAXIMUM MM |
| Largest Step Diameter | 50.6 MILLIMETERS MINIMUM AND 51.0 MILLIMETERS MAXIMUM MM |
| First End External Thread Length | 28.0 MILLIMETERS NOMINAL MM |
| First End Style | EXTERNAL THREADED |
| Criticality Code Justification | FEAT |
| End Similarity | IDENTICAL |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
NSN 3040-01-439-7626 is a Shaft,shouldered, manufactured by Sewart Supply, L.l.c., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-439-7626 has 2 manufacturer part numbers on file: 105278 (Sewart Supply, L.l.c.), 105278 (Hamilton C W F & Co Ltd Hamilton Jet).
Key specifications for 105278: Step Quantity: 5; First End Diameter: 23.5 MILLIMETERS MINIMUM AND 23.9 MILLIMETERS MAXIMUM MM; Largest Step Diameter: 50.6 MILLIMETERS MINIMUM AND 51.0 MILLIMETERS MAXIMUM MM; First End External Thread Length: 28.0 MILLIMETERS NOMINAL MM. 8 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.