+3 NUT 5/8-18 HEX FIN JAM SS 8050151 $1.99 In stock Quantity: 1 Add to Bag Product Details UPC: 792176545477 Brand: Hobie Part #: 8050151 Nut 5/8-18 Hex Fin Jam Stainless Steel Hobie factory replacement stainless steel 5/8"-18 jam nut for Hobie 21. Save this product for later Favorite