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
REQUIRES: None, item is a stock part
SPECS: 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:
-.40 & .46 LA series
-.40 & .46 FX series
-.50 SX series
- FS-26 Surpass Four Stroke
- FS-40 Surpass Four Stroke