The Shaft Assembly,flexible, cataloged under National Stock Number 3040-00-330-9497, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Smith and Smith Aircraft Co. Government technical data includes 25 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 | 3040-00-330-9497 |
| Primary Part Number | WM2-514M23 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Smith and Smith Aircraft Co |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES NOMINAL BOTH ENDS IN |
| Spline Type | INVOLUTE BOTH ENDS |
| End Connection Type | THREADED INTERNAL BOTH ENDS |
| Spline Length | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Thread Depth | 0.365 INCHES NOMINAL BOTH ENDS IN |
| Pitch Diameter | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Spline Major Diameter | 0.288 INCHES NOMINAL BOTH ENDS IN |
| Thread Location | INTERNAL BOTH ENDS |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Spline Pressure Angle in Deg | 30.0 BOTH ENDS |
| Spline Quantity | 12 BOTH ENDS |
| Casing Length Between Ferrules | 52.000 INCHES NOMINAL IN |
| Core Rotation Direction | CLOCKWISE |
| Shank Outside Diameter | 0.375 INCHES NOMINAL BOTH ENDS IN |
| Core Removability | NONREMOVABLE |
| Core Overall Length | 54.500 INCHES NOMINAL IN |
| Bearing Type | SLEEVE BOTH ENDS |
| Screw Thread Series Designator | UN BOTH ENDS |
| Thread Class | 2B BOTH ENDS |
| Wrenching Facility Type | HEXAGON BOTH ENDS |
| Material | COPPER ALLOY CASING |
| Material | STEEL CORE |
| Shoulder Outside Diameter | 0.500 INCHES NOMINAL BOTH ENDS IN |
| Casing Outside Diameter | 0.312 INCHES NOMINAL IN |
| End Type | ROUND, INTERNAL SPLINED BOTH ENDS |
| 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 |
|---|---|
| WM2-514M23 PRIMARY | Smith and Smith Aircraft Co (USA) |
NSN 3040-00-330-9497 is a Shaft Assembly,flexible, manufactured by Smith and Smith Aircraft Co, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-330-9497 has 1 manufacturer part number on file: WM2-514M23 (Smith and Smith Aircraft Co).
Key specifications for WM2-514M23: Width Across Flats: 0.750 INCHES NOMINAL BOTH ENDS IN; Spline Type: INVOLUTE BOTH ENDS; End Connection Type: THREADED INTERNAL BOTH ENDS; Spline Length: 0.250 INCHES NOMINAL BOTH ENDS IN. 25 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.