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 6240-01-535-6520
NSN 5895-00-141-0287
NSN 5905-01-245-8371
NSN 5855-01-013-6864
NSN 5998-01-602-9656
NSN 7035-01-435-7962
NSN 5996-01-145-0237
NSN 6620-00-416-4131
NSN 5996-01-254-9963
NSN 6650-00-061-2232
NSN 5930-01-426-3673
NSN 5835-00-170-5238
Last Updated: 02/01/2025