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 6685-01-066-5062
NSN 6145-00-130-8078
NSN 6130-00-452-9464
NSN 7035-01-450-2289
NSN 6150-01-591-6773
NSN 4140-01-384-2351
NSN 6130-01-654-0783
NSN 5855-00-631-4565
NSN 5855-00-631-4565
NSN 5945-01-186-3409
NSN 5905-01-331-0460
NSN 6145-01-158-7858