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 5945-01-461-5764
NSN 6685-01-169-4850
NSN 5935-00-492-3192
NSN 6135-01-347-0201
NSN 5935-00-954-9168
NSN 6105-01-182-2767
NSN 5998-00-452-5406
NSN 7035-01-048-7120
NSN 5905-00-779-9817
NSN 5945-00-540-8178
NSN 6150-00-553-5178
NSN 6320-01-106-4414