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 5895-00-222-5043
NSN 6650-00-242-0183
NSN 6105-01-291-0290
NSN 5835-01-022-3219
NSN 5905-00-189-9138
NSN 6645-01-083-4759
NSN 5945-01-419-9870
NSN 6135-01-510-4663
NSN 5910-00-369-6436
NSN 5999-01-458-6937
NSN 6240-01-605-4455
NSN 5975-01-125-3817