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 5960-01-098-8437
NSN 5835-01-495-0595
NSN 5950-01-187-5281
NSN 5905-01-210-9119
NSN 6150-01-483-1595
NSN 6150-01-220-8412
NSN 6320-01-161-6640
NSN 5915-01-527-9993
NSN 6620-00-875-6572
NSN 5930-00-734-5202
NSN 6105-01-044-8956
NSN 5965-00-001-7593