A half of a two-piece bearing, washer, thrust.
bronze,4.375 in.od,3.516 in. id.,0.198 in.min/0.202 in. max thick,0.043 in.min/0.052 in.max thk flange,0.016 in.v groove centrally located on od of flange special features, washer half,thrust part name assigned by controlling agency