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 5960-01-406-0299
NSN 5855-00-763-2155
NSN 5945-01-103-3475
NSN 5855-00-494-9581
NSN 6320-01-544-6447
NSN 5999-00-240-4972
NSN 5905-00-877-5181
NSN 5950-00-256-1527
NSN 5930-01-456-7594
NSN 5998-01-658-4024
NSN 7035-01-386-3004
NSN 5915-01-380-1197