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 5999-00-361-2818
NSN 6650-01-242-2508
NSN 2925-00-080-2124
NSN 2925-01-497-9381
NSN 2925-01-041-8201
NSN 5895-01-443-1656
NSN 6610-00-520-6193
NSN 5945-01-541-4827
NSN 6150-00-998-6640
NSN 6685-01-460-9550
NSN 6110-01-029-9619
NSN 6145-01-498-4413