PART NO. THREAD DIMENSIONS E F A B S1 S2 2NU4-02 Z1/8''X27 1/8''X27 17 3.5 11 15 2NU4-04 Z1/4''X18 1/4''X18 21 4.6 14 19 2NU4-04-06 Z1/4''X18 3/8''X18 21 6 14 22 2NU4-06 Z3/8''X18 3/8''X18 24 6 19 22 2NU4-06-04 Z3/8''X18 1/4''X18 24 4.6 19 19 2NU4-06-08 Z3/8''X18 1/2''X14 24 7.5 19 27 2NU4-08 Z1/2''X14 1/2''X14 29.5 7.5 22 27 2NU4-08-06 Z1/2''X14 3/8''X18 29.5 6 22 22 2NU4-08-12 Z1/2''X14 3/4''X14 31 8.9 27 32 2NU4-12 Z3/4''X14 3/4''X14 35 8.9 27 32 2NU4-12-08 Z3/4''X14 1/2''X14 35 7.5 27 27 2NU4-12-16 Z3/4''X14 1''X11.5 35.5 10.5 30 41 2NU4-16 Z1''X11.5 1''X11.5 39 10.5 33 41 2NU4-16-12 Z1''X11.5 3/4''X14 39 8.9 33 32 2NU4-20 Z1.1/4''X11.5 1.1/4''X11.5 42.5 11.2 41 50 2NU4-24 Z1.1/2''X11.5 1.1/2''X11.5 45 11.2 48 55 2NU4-32 Z2''X11.5 2''X11.5 50 11.2 63 70