Used on miscelleneous support equipment. 2b thread class right-hand 4-1/2 thread quantity per inch jam nut plain hex head steel, carbon, grade c, cadmium plate; nut, plain, hexagon (jam) ; MS35691e dated march 23, 2005 cadmium surface treated
Used on 2350-01-369-6082 carrier,120 millimeter mortar, xm106 armored mortar careier 120mm full tracked. 2b thread class right-hand 24 thread quantity per inch nut-hex, self locking, 350 degree f hardness: grade 5, with nylon insert