A disk shaped item with an integral push rod activated by air pressure in a chamber, air brake housing to assist in service braking.
NSN 4140-01-364-1104
NSN 6220-01-395-6909
NSN 6610-00-165-5838
NSN 5965-01-257-8926
NSN 7035-00-919-3381
NSN 4140-01-012-2460
NSN 5855-01-417-3250
NSN 6145-01-464-3380
NSN 6320-01-359-3921
NSN 6650-01-113-6689
NSN 5910-01-539-0127
NSN 6220-01-579-5244