3a thread class 24 thread quantity per inch nut, self-locking, plate- two lug, floating variable c'bore dry film, c res, extended reusability; agavgf/a-18e model code to support ecp 6038
10.310" overall length 4.828" overall width primary hole 2.500-2 acme-2c-spl thru; on one end 2 holes drilled dia 2.252 in nom; on other end 4 holes tapped, threads 0.500-13 unc-2b