The ring has a diameter of 1.2500 inches
NSN 5965-01-089-7678
NSN 5975-01-085-4520
NSN 2925-01-545-2717
NSN 5945-01-279-8101
NSN 5905-01-106-6953
NSN 2925-01-097-0903
NSN 6135-01-554-4281
NSN 5905-01-291-0561
NSN 6240-01-135-0624
NSN 6105-01-205-1514
NSN 5960-00-177-2953
NSN 5935-01-023-8067