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 6130-01-069-9187
NSN 6620-00-828-3842
NSN 6645-00-654-8804
NSN 5930-00-931-3872
NSN 4140-00-225-8586
NSN 5910-00-594-7986
NSN 5935-01-328-4902
NSN 5905-00-382-9677
NSN 6240-00-075-4103
NSN 6240-01-547-6444
NSN 5999-01-322-9511
NSN 6105-01-315-2776