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 5855-01-361-9787
NSN 5855-01-653-0045
NSN 6610-00-679-4835
NSN 6110-00-770-4401
NSN 5999-01-326-6124
NSN 5975-01-660-3159
NSN 5895-01-091-0526
NSN 5975-01-400-0627
NSN 5935-00-329-6570
NSN 5920-00-145-9806
NSN 5905-01-287-9405
NSN 6610-01-014-3964