1-W-31 Posted on February 5, 2026 Andy Zheng Login to see prices 5/16 FLAT WASHERS ID/OD/THK:.343/.750/.050 SKU: 1-W-31 Category: Loose Hardware Description Description 5/16 FLAT WASHERS ID/OD/THK:.343/.750/.050 Related products 1-PRA-6-50 is a #6-18 X 1/2 PHIL ROUND S/M/S T-A, Material 18-8 Login to see prices 1-MFS-6-50 M6-1.0×50 flat sockets ss 18-8 mcmaster carr# 92125a252 Login to see prices 31-MB6-4-12 18-8 Stainless Steel Button Head Torx Screw M4 x 0.70 mm Thread, 12mm long, Login to see prices 1-H-25C-62 18-8 SS hex head screw, 1/4-20 thread, 5/8″ long same as McMaster Carr p/n 92240A539 Login to see prices