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 5985-01-287-0569
NSN 5945-01-095-8548
NSN 6145-01-015-3092
NSN 5930-01-239-5174
NSN 6610-01-179-0116
NSN 6610-01-558-7571
NSN 5990-01-066-5227
NSN 5999-01-362-7097
NSN 5910-01-029-3396
NSN 5920-00-940-2912
NSN 6685-00-170-9237
NSN 5910-01-157-9687