Central aperture 0.250 in. Diameter flattened on two sides to 0.188 in. W.Four slotted holes 0.094 in. Diameter each 22.5 degrees from center line parallel to flatsides.
NSN 6135-00-078-9931
NSN 6135-01-100-3593
NSN 6620-01-068-4498
NSN 6320-01-512-2031
NSN 6320-00-164-4087
NSN 5996-00-673-8282
NSN 5975-01-322-5247
NSN 5960-01-089-6625
NSN 5965-01-193-0420
NSN 5930-01-575-2424
NSN 6650-01-110-2142
NSN 6150-01-501-0956
Last Updated: 05/03/2024