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 5935-01-548-4787
NSN 6650-00-847-3492
NSN 5915-01-177-5060
NSN 6105-01-097-8743
NSN 5965-01-362-9609
NSN 5895-01-574-8929
NSN 6620-01-446-6571
NSN 5895-01-576-9399
NSN 5925-01-567-3539
NSN 6110-01-203-6935
NSN 5910-00-144-4383
NSN 5990-01-056-6413