The Shaft,shouldered, cataloged under National Stock Number 3040-01-176-1449, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-176-1449 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 3 |
| First End Diameter | 3.6250 INCHES NOMINAL IN |
| Second End Diameter | 3.6110 INCHES NOMINAL IN |
| Largest Step Diameter | 1.688 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Criticality Code Justification | ZZZY |
| End Similarity | NOT IDENTICAL |
| Second End Style | INTERNAL THREADED |
| Material | NICKEL ALLOY |
| Second End Internal Thread Length | 1.3120 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| 501-4458633PC4 | 5/1 Secondary reference U.S. Government activity |
| 501-4458633PC4 | 5/1 Secondary reference Naval Sea Systems Command |
| 7255-242 PC 11 | 3/1 Design control — primary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3040-01-176-1449 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-176-1449: Step Quantity: 3; First End Diameter: 3.6250 INCHES NOMINAL IN; Second End Diameter: 3.6110 INCHES NOMINAL IN; Largest Step Diameter: 1.688 INCHES NOMINAL 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.
NSN 3040-01-176-1449 has DEMIL Code F. 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.