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 6105-00-777-6428
NSN 6110-01-633-9660
NSN 5905-01-646-3122
NSN 5915-01-464-3853
NSN 5920-01-548-3737
NSN 5950-01-072-9946
NSN 6145-00-812-1353
NSN 6150-01-394-7043
NSN 5915-00-770-2563
NSN 4140-01-132-0093
NSN 6320-00-894-1644
NSN 5895-00-567-6386