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 6145-01-245-8856
NSN 6620-01-401-5356
NSN 5985-01-360-1429
NSN 6320-00-116-3658
NSN 5895-01-245-5315
NSN 6220-00-949-1931
NSN 6145-00-106-0611
NSN 5998-00-900-7411
NSN 6105-00-922-8597
NSN 5935-01-394-2949
NSN 5935-00-369-8039
NSN 4140-01-424-0841