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 6135-01-650-4313
NSN 5999-00-132-0311
NSN 7035-01-099-2311
NSN 2925-01-579-1010
NSN 5835-01-399-5820
NSN 5945-00-225-8692
NSN 6240-00-391-6402
NSN 5945-00-956-1341
NSN 5895-00-250-8931
NSN 6150-01-339-8299
NSN 6240-01-267-6499
NSN 6220-01-304-4911