- .-. - ._ _ -.- -. /y. distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-60645(S) AMENDMENT 1 PAGE 4 4.3.2 Delete: “The Ordnance Standard Finish Blocks prescribed in MIL-STD-639 . . .I1 and substitute “The roughness comparison standards prescribed in ANSI II 8461 . . . . Preparing Activity: Project No. 13774895 Navy - OS 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-