Taper pin holds shaft to disc. Diameter is number 5
A cone-shaped, unthreaded, metallic or nonmetallic item, tapered through its entire length, primarily used to position and hold two or more mating parts in alignment.
NSN 6620-00-901-7848
NSN 5998-01-251-1541
NSN 6145-01-396-5647
NSN 5930-01-315-7538
NSN 6150-00-753-3950
NSN 6650-01-469-5651
NSN 5910-00-846-1925
NSN 5935-01-658-5314
NSN 6145-00-182-9797
NSN 5945-01-148-1941
NSN 6685-01-514-7478
NSN 6150-00-197-8431