MIL-W-45595D (NOTICE 1), MILITARY SPECIFICATION: WASHERS, SHOULDERED, RECESSED, SADDLE, CONCAVE AND CONVEX (28 APR 2000) [S/S BY NASM45595]., MIL-W-45595D, dated 16 Aug 1985, is hereby canceled and superseded by NASM45595.The Part Identification Number (PIN) for MIL-W-45595D and the part number for NASM45595 are identical. Thepart numbers have not been changed.