End item: b10 upper track roller
A headed externally threaded fastener whose threaded portion is of one nominal diameter with an elliptical neck, directly beneath the head.
NSN 7035-01-182-7640
NSN 5975-00-802-8714
NSN 6105-01-630-2239
NSN 6610-01-242-9674
NSN 5930-01-491-6668
NSN 5945-01-532-6168
NSN 5935-01-291-9159
NSN 5895-01-211-5663
NSN 6105-01-565-0333
NSN 6150-00-971-2116
NSN 6130-00-991-0566
NSN 5935-01-441-8309