This is the Prop Nut for OS engines with a 1/4 crank thread.

Features:

• Metal Construction
• Black in color

Includes:

• One 1/4-28 Prop Nut

Requirements:

• None item is a stock part

Specifications:

• Inner Thread Size: 1/4-28
• Outer Nut Size: 10mm (.4 ) use an 10mm nut driver if needed.
• Thickness: 5mm (.2 )

Comments:

This Prop Nut fits the following OS engines:

• .25 LA
• .25 FX
• .32 SX
• .40 & .46 LA series
• .40 & .46 FX series
• .40 & .46 AX
• .46 VX
• .50 SX series
• .55 AX
• FS-26 Surpass Four Stroke
• FS-40 Surpass Four Stroke