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 5910-00-263-7884
NSN 6130-01-395-4929
NSN 5996-01-527-7579
NSN 5935-01-563-4493
NSN 5920-01-337-7646
NSN 5905-01-345-4949
NSN 6610-00-395-2574
NSN 5960-00-001-7503
NSN 2925-01-394-9658
NSN 6650-01-014-5990
NSN 6110-00-404-6169
NSN 5945-01-562-3292