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 6320-00-588-2401
NSN 6130-01-235-9103
NSN 5915-00-269-9252
NSN 5965-01-310-3053
NSN 6220-00-902-7328
NSN 5920-00-959-2810
NSN 6685-00-471-4125
NSN 6145-01-141-0214
NSN 5930-01-323-8599
NSN 4140-01-257-6571
NSN 2925-01-244-3016
NSN 5990-01-507-7495