This is eyecup adapter non-threaded
NSN 5999-00-080-4362
NSN 5950-01-035-6653
NSN 5915-01-377-3545
NSN 5930-01-626-9368
NSN 5930-01-584-1443
NSN 6130-01-350-3585
NSN 5985-00-649-5543
NSN 6145-01-084-4875
NSN 5990-00-568-4940
NSN 5950-01-500-5228
NSN 5905-01-545-9670
NSN 5925-00-086-8454
Last Updated: 12/25/2024