A thin, circular, metallic or nonmetallic item with a flat or prebulged cross-sectional shape, designed to rupture at a predetermined pressure to prevent damage to hydraulic or pneumatic systems, or the like. It may include multiple pieces, such as a retainer ring, disk and vacuum support. It can be used independently or as a component part of a head, safety, pressure relief. For items furnished with a holder, see head and disk, safety, pressure relief. For items without a rupture pressure rating, see disk, solid, plain. Excludes diaphragm, valve, flat; diaphragm, valve, special shaped; disk, valve; and insulator, disk.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 6650-01-592-4057
NSN 6650-01-352-6584
NSN 5920-01-189-3909
NSN 6685-01-504-1741
NSN 6145-00-317-2087
NSN 6610-01-278-8377
NSN 5935-00-595-5899
NSN 6650-01-214-1710
NSN 6685-01-530-1447
NSN 5950-00-468-6090
NSN 5960-01-481-8051
NSN 6145-00-466-4068