"MATERIAL STEEL,MIL-S-6758,COND F,COMP SAE 4130; FINISH CADMIUM PLATE QQ-P-416; 0.938 IN. LG; OUTSIDE BODY THREADED 3/8 IN. LG,9/16-18 UNF-3A PER SPEC MIL-S-7742; ONE END OD 0.750 IN. WITH REAM OF 0.320 IN. 15/32 IN. DEEP; WIDTH ACROSS HEXAGONAL FLATS 0.500 IN.; INTERNALLY THREADED 5/16-24 NF-3 PER SPEC MIL-S-7742"