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 6610-01-565-4076
NSN 5905-01-180-8108
NSN 7035-01-202-8172
NSN 5945-01-288-9194
NSN 6645-01-501-0576
NSN 6145-01-005-1374
NSN 6685-01-050-2201
NSN 5835-00-196-9771
NSN 2925-01-021-7563
NSN 5996-01-143-0130
NSN 5910-00-175-7549
NSN 5990-00-242-2705