The Shaft,shouldered, cataloged under National Stock Number 3040-01-323-1751, 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 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-323-1751 |
| Primary Part Number | 1175750 |
| 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 | 32.0 MICROINCHES |
| Step Quantity | 5 |
| First End Diameter | 0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| Second End Diameter | 0.3750 INCHES NOMINAL IN |
| Largest Step Diameter | 0.5000 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAY |
| Material Document and Classification | QQ-S-764,CL 416 COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.3250 INCHES NOMINAL IN |
| First End Keyway Depth | 0.0310 INCHES MINIMUM AND 0.0360 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0280 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.0640 INCHES NOMINAL IN |
| Second End Style | TWO CIRCULAR GROOVES |
| Material | STEEL COMP 416 |
| External Keyway Length | 1.0560 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.0930 INCHES MINIMUM AND 0.0940 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 | S |
| Part Number | Manufacturer |
|---|---|
| 31152-1244 | Bausch & Lomb Inc (USA) |
| 1175750 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3040-01-323-1751 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 3040-01-323-1751 has 2 manufacturer part numbers on file: 31152-1244 (Bausch & Lomb Inc), 1175750 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1175750: Surface Finish: 32.0 MICROINCHES; Step Quantity: 5; First End Diameter: 0.3122 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN; Second End Diameter: 0.3750 INCHES NOMINAL IN. 16 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.