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 6645-00-509-9008
NSN 6610-01-498-0524
NSN 5920-01-250-2502
NSN 2925-01-149-0353
NSN 5945-01-106-5282
NSN 2925-01-476-3224
NSN 6110-00-563-7672
NSN 6135-01-651-3210
NSN 6610-00-484-2662
NSN 6110-00-596-9124
NSN 5930-01-176-3183
NSN 6240-00-594-7138