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 6240-01-355-4425
NSN 6105-01-024-2927
NSN 5990-01-623-0082
NSN 5996-01-437-5658
NSN 5999-01-134-0650
NSN 6240-00-275-1950
NSN 5985-00-962-0214
NSN 5999-00-614-5635
NSN 5975-00-286-8506
NSN 6645-01-620-4837
NSN 6110-00-912-5651
NSN 5945-01-459-0163