The Shaft,shouldered, cataloged under National Stock Number 3040-01-433-8305, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-433-8305 |
| Primary Part Number | 122-5343946 PC4 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Second End External Thread Length | 1.0938 INCHES NOMINAL IN |
| Step Quantity | 7 |
| First End Diameter | 0.5000 INCHES NOMINAL IN |
| Second End Diameter | 0.7500 INCHES NOMINAL IN |
| Largest Step Diameter | 2.1250 INCHES NOMINAL IN |
| First End External Thread Length | 0.630 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED AND EXTERNALLY THREADED |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.6000 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.630 INCHES NOMINAL IN |
| Second End Groove Width | 0.2500 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 1.0938 INCHES NOMINAL IN |
| First End Groove Diameter | 0.3700 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND EXTERNALLY THREADED |
| Material | NICKEL ALLOY |
| First End Groove Width | 0.0600 INCHES NOMINAL 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 |
|---|---|
| 122-5343946 PC4 | Naval Sea Systems Command (USA) |
| 122-5343946 PC4 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 122-5343946 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3040-01-433-8305 is a Shaft,shouldered, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-433-8305 has 2 manufacturer part numbers on file: 122-5343946 PC4 (Naval Sea Systems Command), 122-5343946 PC4 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 122-5343946 PC4: Surface Finish: 32.0 MICROINCHES; Second End External Thread Length: 1.0938 INCHES NOMINAL IN; Step Quantity: 7; First End Diameter: 0.5000 INCHES NOMINAL IN. 18 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.