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 6220-00-233-9279
NSN 5960-01-410-8177
NSN 6110-00-839-1606
NSN 7035-01-381-7622
NSN 6320-00-468-8421
NSN 5920-00-132-6440
NSN 5895-01-558-6759
NSN 5910-01-299-6605
NSN 5945-01-166-7955
NSN 5895-01-332-7532
NSN 5965-01-226-9741
NSN 6320-01-519-8767