ASME B18.16.6

Description / Abstract: This Standard covers the complete general, dimensional, mechanical, and performance requirements (proof load, prevailing torque, and torque-tension) for carbon steel, inch series nylon insert locknuts of grades N2, N5, and N8 in styles NE (¹⁄₄ in. to ¹¹⁄₂ in.), NTE (¹⁄₄ in. to ¹¹⁄₂ in.), NU (¹⁄₄ in. to 3 in.), NTU (¹⁄₄ in. to 3 in.), NM (#2 to #12), NTM (#2 to #12), and hex flange (¹⁄₄ in. to ³⁄₄ in.). This Standard also includes all-metal hex (#4 to ¹¹⁄₂ in.) and hex flange (¹⁄₄ in. to ³⁄₄ in.) locking nuts of grades A, B, C, F, and G. These nut designs are designated as American National Standards.