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 5945-01-428-9544
NSN 6685-01-265-3754
NSN 5920-01-647-1794
NSN 6150-00-683-5349
NSN 6240-00-845-0355
NSN 5920-01-458-1770
NSN 6320-01-225-9963
NSN 6645-01-125-3935
NSN 5925-01-346-4778
NSN 6620-01-417-7040
NSN 5855-01-133-3587
NSN 5905-00-445-3562