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 2925-01-454-2046
NSN 5945-01-069-2998
NSN 6220-01-605-2534
NSN 6650-01-209-1422
NSN 5985-01-485-4750
NSN 5998-01-462-5794
NSN 6645-01-400-1137
NSN 5835-00-550-7728
NSN 6105-00-296-0372
NSN 6610-00-462-3879
NSN 5835-01-209-6410
NSN 5998-00-541-8792