4-40  NTM Thin Pattern Nylon Insert Hex Lock Nut 18 8 Stainless Steel (Pack Qty 2,000) BC-04NST188

Thin Pattern Nylon Insert Hex Lock Nut 18 8 Stainless Steel

Same general applications as the standard pattern, but thin pattern nuts are used when an insufficient number of projecting threads are present to use a standard nylon insert nut.