W/1 keyway, 0.375 in.W, 0.188 in.Deep, 1.766 in.Lg and two 0.500 in.Setscrews
A trunicated cone-shaped metal item generally tapered along its entire peripheral length, with a centrally located hole. It may be split (cut) through the material parallel to the axis.
NSN 5990-01-605-9026
NSN 5965-01-431-9723
NSN 5835-00-419-0575
NSN 5945-00-648-6237
NSN 5935-00-587-1941
NSN 6135-01-054-2462
NSN 5925-00-404-0396
NSN 5960-01-466-4153
NSN 6220-00-266-8222
NSN 6145-01-125-6361
NSN 6220-01-056-0774
NSN 5925-01-333-1223