Twelve ribs; one intermediate ring; prime focus quad feed support
NSN 5895-01-462-5929
NSN 5999-00-650-8657
NSN 6650-00-191-9000
NSN 6135-01-527-5494
NSN 6110-01-026-4010
NSN 5998-01-284-4839
NSN 6220-01-373-8889
NSN 5975-01-093-3890
NSN 5945-00-295-6999
NSN 5920-01-176-1413
NSN 6620-01-146-4680
NSN 5998-01-391-6549
Last Updated: 08/05/2025