The Shaft,shouldered, cataloged under National Stock Number 3040-00-790-5744, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-790-5744 |
| Primary Part Number | 77723P5 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Surface Finish | 8.0 MICROINCHES |
| FSC Application Data | ACFT ENG,RECIPROCATING |
| Step Quantity | 4 |
| First End Diameter | 0.5200 INCHES NOMINAL IN |
| Largest Step Diameter | 0.6923 INCHES MINIMUM AND 0.6925 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | IDENTICAL |
| Material | STEEL |
| 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 |
|---|---|
| 77723P5 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| AS77723P5 | 5/9 Secondary reference Aircraft Supplies |
| 77723P5 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 3040-00-790-5744 is a Shaft,shouldered, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-790-5744 has 1 manufacturer part number on file: 77723P5 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
Key specifications for 77723P5: Surface Finish: 8.0 MICROINCHES; FSC Application Data: ACFT ENG,RECIPROCATING; Step Quantity: 4; First End Diameter: 0.5200 INCHES NOMINAL IN. 9 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.