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 7035-01-386-5722
NSN 7035-01-328-7448
NSN 5985-01-501-5890
NSN 5935-01-465-6363
NSN 5975-01-528-7359
NSN 6320-01-350-0320
NSN 5975-01-510-0026
NSN 5965-01-618-4641
NSN 5920-00-199-3963
NSN 4140-01-430-6947
NSN 6320-01-606-2508
NSN 6110-01-652-9108