Twelve ribs; one intermediate ring; prime focus quad feed support
NSN 5950-00-964-9949
NSN 7035-00-931-9415
NSN 6220-01-341-0630
NSN 5998-01-394-4349
NSN 5835-01-242-9806
NSN 5835-01-225-0372
NSN 5960-01-322-1337
NSN 4140-01-438-9927
NSN 6240-01-143-0397
NSN 5855-01-497-0467
NSN 6650-00-555-1061
NSN 6110-01-170-5379
Last Updated: 01/13/2025