The Shaft,shouldered, cataloged under National Stock Number 3040-00-157-7547, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 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 | 3040-00-157-7547 |
| Primary Part Number | 299025PC2 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Second End Hole Diameter | 0.2500 INCHES NOMINAL IN |
| Step Quantity | 2 |
| First End Diameter | 1.6229 INCHES MINIMUM AND 1.6238 INCHES MAXIMUM IN |
| Second End Diameter | 1.6230 INCHES MINIMUM AND 1.6240 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.995 INCHES MINIMUM AND 1.996 INCHES MAXIMUM IN |
| First End Style | FLAT KEYWAY |
| First End Keyway Depth | 0.209 INCHES NOMINAL IN |
| Second End Distance From Hole Center to End | 0.530 INCHES NOMINAL IN |
| Second End Hole Depth | 1.625 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL COMP 4140 |
| External Keyway Length | 2.250 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.3750 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 299025PC2 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3040-00-157-7547 is a Shaft,shouldered, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-157-7547 has 1 manufacturer part number on file: 299025PC2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 299025PC2: Surface Finish: 63.0 MICROINCHES; Second End Hole Diameter: 0.2500 INCHES NOMINAL IN; Step Quantity: 2; First End Diameter: 1.6229 INCHES MINIMUM AND 1.6238 INCHES MAXIMUM IN. 15 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.