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 6685-00-234-8995
NSN 5895-00-518-4954
NSN 6650-00-361-8222
NSN 5835-00-003-0295
NSN 7035-01-434-3585
NSN 6130-00-422-9017
NSN 5985-01-290-4227
NSN 5965-01-574-1659
NSN 6685-00-620-7442
NSN 5930-00-205-2945
NSN 5910-01-045-7613
NSN 5998-01-022-8579