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 6105-01-595-2000
NSN 5990-01-390-2177
NSN 6685-01-099-2458
NSN 5935-00-241-1514
NSN 6610-00-983-4482
NSN 5996-00-888-1180
NSN 5975-01-197-5577
NSN 6685-01-154-9655
NSN 5999-01-562-1157
NSN 5930-01-161-6956
NSN 5945-01-386-5718
NSN 6130-00-762-2239