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 5905-00-027-6509
NSN 6610-01-605-2451
NSN 5985-01-006-1248
NSN 6105-01-014-5690
NSN 5945-01-595-5199
NSN 5895-01-203-9912
NSN 6320-01-465-2028
NSN 6685-01-634-0611
NSN 6620-01-490-4520
NSN 5945-01-386-3208
NSN 5915-01-628-2968
NSN 6150-01-447-3266