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 6685-00-095-8279
NSN 5996-01-341-0828
NSN 6320-01-504-3948
NSN 5975-01-534-8245
NSN 6130-01-167-8036
NSN 6610-01-065-1073
NSN 7035-01-313-6973
NSN 5925-00-830-8148
NSN 5950-01-493-4934
NSN 6685-01-426-1490
NSN 7035-00-225-6499
NSN 5920-01-308-3772