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 5895-00-582-7494
NSN 6105-01-452-8445
NSN 5998-01-454-6881
NSN 6145-00-958-6152
NSN 6105-01-339-5387
NSN 5950-00-082-1616
NSN 5998-01-507-9383
NSN 6130-01-367-5532
NSN 6135-00-377-9165
NSN 5996-00-383-6173
NSN 5910-00-869-1172
NSN 5905-01-646-6067