5/16" x 2" Plain Finish Steel Slotted Spring Pin / OVERALL LENGTH: 2.000 INCHES NOMINAL DIAMETER: 0.321 INCHES MINIMUM AND 0.330 INCHES MAXIMUM MATERIAL THICKNESS: 0.062 INCHES NOMINAL END ITEM IDENTIFICATION: 4220-01-6179406 PART NAME ASSIGNED BY CONTROLLING AGENCY: PIN,SPRING;5/16W MATERIAL: STEEL COMP 1070 OVERALL OR STEEL COMP 1095 SURFACE TREATMENT: OIL OVERALL STYLE DESIGNATOR: K174 SLOTTED