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 2925-01-544-4880
NSN 6105-01-294-5513
NSN 6145-01-184-2795
NSN 4140-01-428-9426
NSN 5930-00-823-4791
NSN 5930-00-654-7371
NSN 5920-01-399-8740
NSN 6645-01-100-3296
NSN 2925-00-203-8735
NSN 5855-00-763-2155
NSN 6320-01-386-3491
NSN 6150-00-519-2970