#6 18-8 Stainless Steel High Collar Lock Washer / HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM OUTSIDE DIAMETER: 0.216 INCHES NOMINAL MATERIAL THICKNESS: 0.030 INCHES NOMINAL END ITEM IDENTIFICATION: LAUNCH CONTROL PANEL(LCP)MK 422 MOD 2 PART NAME ASSIGNED BY CONTROLLING AGENCY: HIGH-COLLAR LOCK WASHER MATERIAL: STEEL COMP 302 OVERALL AND STEEL COMP 305 STYLE DESIGNATOR: 108 SPLIT HELICAL-RIGHT HAND