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 5910-01-260-8546
NSN 5920-01-562-1305
NSN 7035-00-546-2560
NSN 6220-01-541-8593
NSN 6150-00-107-8208
NSN 6685-00-064-8189
NSN 5910-01-472-2232
NSN 5925-01-592-4264
NSN 5895-01-398-5145
NSN 5950-00-812-7617
NSN 6135-01-196-7399
NSN 6685-01-252-4255