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 6610-00-149-1534
NSN 7035-01-617-0072
NSN 5835-00-602-4750
NSN 6150-01-111-6929
NSN 5925-01-016-4069
NSN 6135-01-199-1185
NSN 7035-00-908-4933
NSN 6610-00-184-0833
NSN 5945-01-233-9611
NSN 5895-00-525-3295
NSN 6105-01-223-7307
NSN 6150-00-911-8662