For wide vision helmet or shield
NSN 5950-01-249-8296
NSN 7035-01-328-7448
NSN 5925-00-057-6762
NSN 5925-01-135-3744
NSN 5999-01-005-0321
NSN 6610-01-342-2319
NSN 5990-01-626-3840
NSN 6135-00-932-3136
NSN 6145-01-094-6108
NSN 5950-00-231-6204
NSN 6105-01-197-3961
NSN 5905-01-104-5320