4.062 in. Diameter by 0.500 in. Thk flange
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 6240-01-362-4166
NSN 5996-01-591-1049
NSN 6145-00-158-5549
NSN 6645-00-032-5730
NSN 6645-01-196-6277
NSN 4140-01-149-4803
NSN 7035-01-121-0901
NSN 5996-01-539-1351
NSN 6620-01-138-8250
NSN 5945-00-246-5740
NSN 5960-00-455-5256
NSN 4140-00-458-2662