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 5910-01-196-8445
NSN 5925-01-408-1143
NSN 6110-01-514-8646
NSN 5920-01-464-8480
NSN 6110-00-578-7243
NSN 5960-01-495-0859
NSN 6150-01-141-0115
NSN 6620-00-102-7442
NSN 5920-01-650-1820
NSN 6150-01-433-8938
NSN 6150-01-003-1054
NSN 5965-01-483-6497