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 4140-01-439-2141
NSN 6145-01-246-1080
NSN 5965-01-284-3162
NSN 5960-00-297-7099
NSN 5925-00-043-2927
NSN 6135-01-565-3284
NSN 6145-01-445-9788
NSN 2925-01-327-3069
NSN 5855-00-116-6621
NSN 5935-00-666-4877
NSN 5996-01-322-4838
NSN 5999-00-379-7130