Consists of body, pn 8403593; ball pn ms-19061-5; swivel, pn 7122103; spring, pn 8401699; chain, double loop, type ii, class 2, size 0.062; surface treatment: manganese phosphate, mil-p- 16232, type m, class 1; part no. Is applied; body is 4.250 in.Lg