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 5945-01-351-1871
NSN 5975-01-096-2726
NSN 6145-00-508-8353
NSN 5960-01-578-5537
NSN 5925-00-659-8304
NSN 6145-01-023-2011
NSN 6145-01-227-9958
NSN 5960-01-069-2009
NSN 5920-00-035-4846
NSN 6145-01-138-7982
NSN 6130-01-496-1387
NSN 5998-01-517-6930