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 5950-01-153-2650
NSN 5915-01-014-6309
NSN 5945-01-580-0107
NSN 5920-01-650-6510
NSN 6685-01-123-8900
NSN 5996-00-119-5278
NSN 5930-00-872-0937
NSN 5920-00-721-0721
NSN 6145-01-020-3864
NSN 5975-01-634-0678
NSN 6240-01-517-1929
NSN 6645-01-507-1453