Navtec Stemball Cup Washer-5/8 ID-1 OD Flying Scot Sheave Ø (mm) 40 mm

Sheave Ø (mm) 40 mm Sheave Ø (in) 1 9/16 in Length (mm) 86 mm Length (in) 3 3/8 in Weight (g) 49 g Weight (oz) 1

To perform smoothly and carry the correct load

ANDERSEN winch drums have vertical ribs running up the surface

5 mm Height (in) 2 13/16 in A (mm) 17 mm A (in) 21/32 in B (mm) 45 mm B (in) 1 25/32 in C (mm) 113 mm C (in) 4 7/16 in D (mm) 34

Less support may be desired if the mainsail is not stored on the boom or the Boomkicker is used to just lift the boom in light air for sail shape

Navtec Stemball Cup Washer-5/8 ID-1 OD Flying Scot Sheave Ø (mm) 40 mmProduct Description Features TABS SUP > Manufacturer part #: N640 M07 DescriptionN640 Stemball Cup Features American Metric Outer 1. 02 in 26 mm Hole 0. 64 in 16. 30 mm TABS > Manufacturer part #: N640 M07 Made from 316 Stainless Steel. Used with N641 Stemballs to increase head diameter.