An item designed to align and/or restrain the movement of one or more lens by use of a fastening device. May include screw threads, screws, clips, or other fastening devices.
NSN 5990-01-056-0893
NSN 5985-01-206-3121
NSN 5920-00-736-7882
NSN 5920-00-296-9454
NSN 6650-00-870-6281
NSN 4140-01-254-2739
NSN 6105-00-050-9384
NSN 5920-00-538-4303
NSN 5930-01-502-5666
NSN 6145-01-586-4679
NSN 6150-00-530-3046
NSN 6685-01-447-9886