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 6320-01-267-7990
NSN 5990-01-306-7642
NSN 6135-00-405-1989
NSN 5960-00-324-2994
NSN 5990-00-465-4903
NSN 6135-01-189-2293
NSN 5905-01-559-4077
NSN 5905-01-036-1066
NSN 5895-01-224-1111
NSN 6685-01-043-4750
NSN 7035-00-915-5798
NSN 5915-01-143-6272