The Shaft,shouldered, cataloged under National Stock Number 3040-01-368-7602, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-368-7602 |
| Primary Part Number | 5497642-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Second End Hole Diameter | 0.0943 INCHES MINIMUM AND 0.0946 INCHES MAXIMUM IN |
| Step Quantity | 3 |
| First End Diameter | 0.1900 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM IN |
| Second End Diameter | 0.2145 INCHES MINIMUM AND 0.2150 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Distance From Hole Center to End | 0.130 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| 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 |
|---|---|
| 5497642-1 PRIMARY | Naval Sea Systems Command (USA) |
| 5497642-1 | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 5497642-1 | 5/9 Secondary reference U.S. Government activity |
| 5497642 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-368-7602 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-368-7602 has 2 manufacturer part numbers on file: 5497642-1 (Naval Sea Systems Command), 5497642-1 (Tactair Fluid Controls Inc).
Key specifications for 5497642-1: Surface Finish: 63.0 MICROINCHES; Second End Hole Diameter: 0.0943 INCHES MINIMUM AND 0.0946 INCHES MAXIMUM IN; Step Quantity: 3; First End Diameter: 0.1900 INCHES MINIMUM AND 0.2200 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.