Outside circumference 80.000 in.
NSN 5999-01-306-5617
NSN 5855-00-323-0967
NSN 2925-01-442-7812
NSN 5925-01-426-6923
NSN 5910-00-399-0734
NSN 6145-01-160-7658
NSN 6110-01-440-2527
NSN 5935-01-582-8745
NSN 6650-01-322-6431
NSN 6650-01-643-5908
NSN 5996-00-550-7606
NSN 2925-00-284-1534