Twelve ribs; one intermediate ring; prime focus quad feed support
NSN 5895-01-512-6237
NSN 6685-01-618-7857
NSN 4140-01-519-1870
NSN 5935-01-410-2904
NSN 5960-01-500-6615
NSN 4140-01-396-4025
NSN 6320-01-642-2615
NSN 5945-01-381-2038
NSN 6105-01-485-8108
NSN 6150-01-481-5927
NSN 5985-01-030-3095
NSN 6320-01-436-9228
Last Updated: 06/27/2025