Front barrel bushing
A cylindrically-shaped headed item, having circular or longitudinal groove(s).
NSN 6650-01-290-1029
NSN 6650-00-399-2005
NSN 5985-00-387-5974
NSN 5925-00-829-0197
NSN 5920-00-824-0234
NSN 6135-01-422-0140
NSN 5990-01-222-6196
NSN 6685-01-228-2024
NSN 6685-00-724-2962
NSN 5990-01-056-6413
NSN 6645-00-664-4665
NSN 6685-01-055-3512