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 6105-01-062-7554
NSN 6150-01-074-3087
NSN 6240-01-568-1070
NSN 6610-01-417-6336
NSN 5925-01-553-8498
NSN 5915-01-231-5869
NSN 6320-01-611-4918
NSN 6130-01-176-2727
NSN 4140-01-391-6462
NSN 5990-01-629-7927
NSN 6145-00-275-4046
NSN 5975-01-544-9168