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 5975-00-930-4902
NSN 5965-01-322-8136
NSN 6650-01-250-1244
NSN 6150-01-331-5686
NSN 6150-00-754-8034
NSN 5855-01-302-9778
NSN 5930-01-632-4590
NSN 6320-00-174-1362
NSN 6610-01-308-2712
NSN 7035-01-210-5111
NSN 5910-01-516-7460
NSN 5990-00-323-8856