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 2925-01-251-9529
NSN 6620-01-649-7511
NSN 6620-00-843-5336
NSN 7035-01-223-4097
NSN 6150-01-336-1653
NSN 6650-01-068-9248
NSN 6145-00-338-5645
NSN 5835-01-310-8979
NSN 6240-00-968-9274
NSN 5996-01-555-7690
NSN 6610-01-484-8980
NSN 5935-01-414-8850