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 5930-00-661-2280
NSN 6320-01-411-9222
NSN 5960-01-151-4518
NSN 6150-00-765-8394
NSN 6320-01-648-5538
NSN 5950-00-035-8791
NSN 5975-00-713-8182
NSN 5996-00-231-9322
NSN 5975-01-575-0792
NSN 6320-01-220-2264
NSN 6620-00-269-5168
NSN 6620-00-243-7766