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 6145-00-512-6675
NSN 5990-01-161-4625
NSN 5910-01-366-7891
NSN 5990-01-419-0661
NSN 5915-01-083-4838
NSN 6620-01-199-7570
NSN 6150-01-551-9240
NSN 2925-01-565-6410
NSN 6150-01-273-3792
NSN 2925-00-996-2167
NSN 6145-00-130-3558
NSN 5950-00-900-0449