The Shaft,shouldered, cataloged under National Stock Number 3040-01-374-7192, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 11 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 | 3040-01-374-7192 |
| Primary Part Number | P4078914 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Step Quantity | 4 |
| First End Diameter | 2.3125 INCHES NOMINAL IN |
| Second End Diameter | 0.7500 INCHES NOMINAL IN |
| Second End Step Length | 0.360 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Largest Step Diameter | 2.3125 INCHES NOMINAL IN |
| First End External Thread Length | 0.7300 INCHES MINIMUM AND 0.7700 INCHES MAXIMUM IN |
| First End Style | EXTERNAL THREADED |
| End Similarity | NOT IDENTICAL |
| Second End Style | HEXAGONAL |
| Material | STEEL COMP 1010 OR STEEL COMP 1025 |
| Second End Width Across Flats | 0.492 INCHES MINIMUM AND 0.502 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 |
|---|---|
| P4078914 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 3040-01-374-7192 is a Shaft,shouldered, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-374-7192 has 1 manufacturer part number on file: P4078914 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for P4078914: Step Quantity: 4; First End Diameter: 2.3125 INCHES NOMINAL IN; Second End Diameter: 0.7500 INCHES NOMINAL IN; Second End Step Length: 0.360 INCHES MINIMUM AND 0.400 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.