The Shaft,shouldered, cataloged under National Stock Number 3040-01-054-2919, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is O T S I. Government technical data includes 11 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 | 3040-01-054-2919 |
| Primary Part Number | D63404 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | O T S I |
| Status | ACTIVE |
| Step Quantity | 4 |
| First End Diameter | 0.2499 INCHES MINIMUM AND 0.2502 INCHES MAXIMUM IN |
| Second End Diameter | 0.4360 INCHES MINIMUM AND 0.4365 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Groove Diameter | 0.3390 INCHES MINIMUM AND 0.3490 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.2090 INCHES MINIMUM AND 0.2290 INCHES MAXIMUM IN |
| Second End Distance From End to Groove | 0.406 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 |
|---|---|
| D63404 PRIMARY | O T S I (USA) |
NSN 3040-01-054-2919 is a Shaft,shouldered, manufactured by O T S I, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-054-2919 has 1 manufacturer part number on file: D63404 (O T S I).
Key specifications for D63404: Step Quantity: 4; First End Diameter: 0.2499 INCHES MINIMUM AND 0.2502 INCHES MAXIMUM IN; Second End Diameter: 0.4360 INCHES MINIMUM AND 0.4365 INCHES MAXIMUM IN; Largest Step Diameter: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN. 11 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.