The Shaft,shouldered, cataloged under National Stock Number 3040-01-191-4283, 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 Land & Armaments L.p.. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-191-4283 |
| Primary Part Number | 5381080 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Step Quantity | 9 |
| First End Diameter | 1.4950 INCHES NOMINAL IN |
| Second End Diameter | 1.2498 INCHES NOMINAL IN |
| Largest Step Diameter | 1.250 INCHES NOMINAL IN |
| Second End Distance Between Second and Third Groove Centers | 0.484 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Groove Diameter | 0.8750 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.6250 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.500 INCHES NOMINAL IN |
| Second End Style | THREE CIRCULAR GROOVES |
| Material | STEEL |
| Second End Distance Between First and Second Groove Centers | 0.281 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-01-191-4283 is a Shaft,shouldered, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-191-4283 has 2 manufacturer part numbers on file: 5381080 (Naval Sea Systems Command), 5381080 (Bae Systems Land & Armaments L.p.).
Key specifications for 5381080: Step Quantity: 9; First End Diameter: 1.4950 INCHES NOMINAL IN; Second End Diameter: 1.2498 INCHES NOMINAL IN; Largest Step Diameter: 1.250 INCHES NOMINAL IN. 13 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.
NSN 3040-01-191-4283 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.