C00145 – U BOLT 1/2″ UNF x 5 1/2″ long used with seven leaf suspension springs (P0022).
Four per axle are used to hold the axle to the spring, used with F1078ZC nyloc nuts, 8 per axle of these are used. See F1078ZCPK2 it is recommended that these nuts are checked and tightened every 1000 miles or 2 months, and set to 140NM. (Socket size 3/4″)
These are used on trailers pre 1994