Whitecap 90 Degree Thru-Hull Fitting w/ BarbWhitecap Nylon Thru-Hull Fittings are constructed of high quality nylon and 316 stainless steel. These thru-hulls have a 90 degree angle and include a barb. Whitecap Thru-Hulls are available in a wide range of sizes. See specifications below. Part # Hose Size Flange O.D. Thread Length Barb Length Overall Length Cut-Out Max Hull Thickness S-3807C 5/8" 1-7/8" 1-5/8" 7/8" 3-1/8" 1-5/16" 1-1/4" S-3808C 3/4" 1-7/8" 1-7/8" 15/16" 3-1/8" 1-5/16" 1-1/4" S-3809C 1" 1-7/8" 1-5/8" 1-1/8" 3-1/2" 1-5/16" 1-1/4" S-3810C 1-1/8" 1-7/8" 1-5/8" 1-1/2" 3-1/2" 1-5/16" 1-1/4" S-3811C 1-1/4" 2-3/8" 1-5/8" 1-1/2" 4" 1-1/2" 1-1/4" S-3812C 1-1/2" 2-3/8" 1-5/8" 1-1/2" 4" 1-1/2" 1"