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 6150-01-251-8829
NSN 5960-00-281-0824
NSN 6650-00-144-4555
NSN 5915-01-633-9845
NSN 5945-01-311-7354
NSN 6645-01-442-6476
NSN 6240-01-475-3155
NSN 6220-01-607-9202
NSN 6150-01-317-4681
NSN 5910-01-090-0453
NSN 6135-01-483-1501
NSN 4140-01-423-1647