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 5960-00-563-5936
NSN 5920-00-518-7314
NSN 6150-00-995-1250
NSN 5915-00-080-8724
NSN 7035-00-574-4223
NSN 5895-01-237-3186
NSN 6650-00-518-5194
NSN 5835-01-524-4731
NSN 6130-01-323-4425
NSN 5985-01-074-7877
NSN 5999-00-290-5898
NSN 6130-01-214-4620