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 5925-01-529-3833
NSN 5965-01-444-9227
NSN 5925-00-209-0435
NSN 2925-01-204-6243
NSN 6320-00-116-3658
NSN 5895-01-467-1633
NSN 5965-00-424-9636
NSN 5915-00-478-7834
NSN 6320-01-101-5816
NSN 6645-01-128-0895
NSN 5935-01-410-8548
NSN 5905-00-126-8846