Next higher assembly bumper-mcu, 17.8 mm id
NSN 5999-01-555-7365
NSN 5835-01-307-8954
NSN 6105-01-220-2210
NSN 6240-01-557-7463
NSN 6685-00-836-4056
NSN 6150-00-273-1155
NSN 6105-01-540-8517
NSN 5945-00-923-6064
NSN 5950-00-913-2714
NSN 5985-01-337-3470
NSN 6685-01-494-9751
NSN 5965-01-425-1347