Mast Head Sheave N4.5, N5.0, N5.2, N5.7

The Mast Head Sheave NACRA 4.5, 5.0, 5.2, 5.7 is an upgraded replacement sheave for mast head on Nacra 4.5, 5.0, 5.2 and 5.7 has a Delrin® sheave with Delrin® ball bearings.

Specifications:

• Sheave diameter 1-1/2"; 38 mm
• Sheave width 1/2"; 12 mm
• Maximum line 3/8"; 10 mm
• Center pin 1/4"; 6.27 mm
• Maximum working load 300 lb.; 136 kg
• Weight .5 oz; 14 g

This Harken #265 sheave is a replacement for Nacra Sailing factory item #30160. Minor modification of older mast head castings or the sheave may be required for proper fitment.