Part Number Trade Size (Inches) Threads per Inch Thickness 8050 1/2" 14 .140 8075 3/4" 14 .157 8100 1" 11 1/2 .180 8150 1 1/2" 11 1/2 .200 8200 2" 11 1/2 .225 316 Stainless Steel Locknuts can be used with conduit or NPS threaded pipe. Precision-machined threads allow for easy installation. Heavy stock thickness and specially designed tabs tighten securely and will not easily loosen even in the most severe applications. Material: 316SS