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 5996-00-372-4528
NSN 6150-01-348-8970
NSN 5999-01-158-9986
NSN 5905-01-141-6617
NSN 5835-01-614-1900
NSN 6105-01-448-0936
NSN 6135-01-322-4655
NSN 5965-01-330-9152
NSN 6145-00-145-3484
NSN 6130-01-400-6123
NSN 5915-01-604-8791
NSN 7035-01-312-8573