This is eyecup adapter non-threaded
NSN 6645-01-577-7932
NSN 5925-01-322-4366
NSN 5925-01-219-8906
NSN 6110-01-518-1507
NSN 6150-00-276-7483
NSN 5945-01-138-3796
NSN 5975-01-539-0929
NSN 4140-01-084-7596
NSN 5920-01-493-6054
NSN 5999-00-952-1325
NSN 5905-01-202-8323
NSN 5998-01-083-8114
Last Updated: 04/29/2025