With five brass tubular rivets
A circular shaped flexible steel device, having a replaceable friction lining, designed to contract upon the outer surface or expand against the inner surface of a drum to retard or stop motion.
NSN 5998-01-450-8131
NSN 5895-01-187-1779
NSN 6220-00-851-2307
NSN 6150-01-481-3735
NSN 6105-00-563-0494
NSN 6105-01-445-6022
NSN 5910-00-683-0048
NSN 6620-00-678-1935
NSN 4140-01-170-1075
NSN 2925-01-244-3016
NSN 5985-00-396-0125
NSN 5996-00-728-3654