This is the Great Planes ElectriFly Collet Cone Adapter 5mm-5/16-24.

Features

Aluminum construction, Silver in color
Mounts on electric motors with a 5mm shaft and adapts them to a
5/16-24 diameter prop shaft
Cone shaped spinner nut adds good looks

Includes

One 5mm Prop Shaft
One Aluminum Knurled Prop Hub
One Aluminum Prop Washer
One Aluminum Spinner Nut (5/16-24 threaded)

Requires

Installation

Specifications

Length: 1.82" (46.3mm) as assembled
Length: 1.94" (49.5mm) shaft only
Length: .94" (30mm) spinner nut only
Shaft Diameter: 5/16-24
Spinner Nut Diameter: .71" (18mm) at the widest point

Comments

For the version without a spinner nut order GPMQ4966.