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 6130-01-495-3339
NSN 6150-00-822-8192
NSN 6650-00-717-8913
NSN 6645-01-090-2555
NSN 6320-00-483-0451
NSN 2925-01-550-0177
NSN 5985-00-353-6339
NSN 5960-01-191-6249
NSN 6610-01-387-5630
NSN 5835-01-123-8305
NSN 7035-01-449-1846
NSN 5895-00-596-8678