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 5910-00-729-9315
NSN 6610-00-596-9883
NSN 2925-00-964-7128
NSN 5996-01-534-7302
NSN 6110-01-481-9550
NSN 6130-01-400-6123
NSN 5835-00-023-0780
NSN 6620-00-740-3699
NSN 6650-00-390-3568
NSN 5975-00-518-1733
NSN 6610-01-215-8489
NSN 6685-01-116-0096