This is eyecup adapter non-threaded
NSN 5920-01-474-5404
NSN 5935-01-632-4883
NSN 6650-01-462-0830
NSN 5960-01-595-6515
NSN 5996-00-196-7258
NSN 5960-00-199-6034
NSN 5975-00-421-2276
NSN 6320-01-279-0343
NSN 5950-00-301-4829
NSN 5975-00-080-7575
NSN 5905-00-436-1252
NSN 5998-01-237-3202
Last Updated: 04/29/2025