The Shaft,shouldered, cataloged under National Stock Number 3040-01-183-9774, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-183-9774 |
| Primary Part Number | 014420-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| Status | ACTIVE |
| Step Quantity | 7 |
| First End Diameter | 0.7500 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 0.510 INCHES NOMINAL IN |
| Second End Diameter | 0.6247 INCHES NOMINAL IN |
| Largest Step Diameter | 0.750 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.3204 INCHES NOMINAL IN |
| First End Style | WOODRUFF KEYWAY AND INTERNALLY THREADED |
| Second End Spline Major Diameter | 0.3960 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 12 |
| Second End Groove Width | 0.0600 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.600 INCHES NOMINAL IN |
| Second End Style | TWO CIRCULAR GROOVES AND SPLINED (STRAIGHT_) |
| Material | STEEL CORROSION RESISTING |
| First End Keyway Width | 0.1240 INCHES NOMINAL IN |
| Second End Distance Between First and Second Groove Centers | 0.330 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 014420-1 PRIMARY | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 014420-1 | 3/9 Design control — primary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
NSN 3040-01-183-9774 is a Shaft,shouldered, manufactured by Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-183-9774 has 1 manufacturer part number on file: 014420-1 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc).
Key specifications for 014420-1: Step Quantity: 7; First End Diameter: 0.7500 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 0.510 INCHES NOMINAL IN; Second End Diameter: 0.6247 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.
NSN 3040-01-183-9774 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.