2b thread class right-hand 13 thread quantity per inch washer outside diameter: 1.125 inch nom., height: 0.688 inch nom., washer thickness: 0.312 inch nom. oxide surface treated
2b thread class right-hand 13 thread quantity per inch includes seperate washer having an id of 0.563 , total assembly is 0.875 in thickness oxide surface treated
2b thread class right-hand 16 thread quantity per inch washer outside diameter: 0.875 inch nom., washer thickness: AA0.125 inch nom. oxide surface treated