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 5950-00-853-6799
NSN 6105-01-541-9947
NSN 5996-00-583-0607
NSN 6610-01-033-1748
NSN 5960-01-553-4557
NSN 5920-00-542-6389
NSN 6320-01-544-6447
NSN 6610-00-149-1534
NSN 6150-00-262-4977
NSN 5950-01-015-2276
NSN 6110-00-999-1592
NSN 5945-01-398-9559