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 5965-01-627-5756
NSN 5985-01-627-1629
NSN 2925-01-411-4666
NSN 5905-01-212-1045
NSN 6650-01-586-8783
NSN 5985-01-110-0148
NSN 5935-01-466-3615
NSN 4140-00-403-1267
NSN 5999-01-543-8515
NSN 5835-00-523-0736
NSN 5998-01-565-1791
NSN 5935-00-411-7929