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 6145-01-207-0445
NSN 5945-00-445-3683
NSN 5965-01-125-0268
NSN 5905-01-281-5819
NSN 5996-01-092-9262
NSN 5950-01-019-0335
NSN 6610-01-261-6102
NSN 5996-01-283-5834
NSN 5960-00-199-6034
NSN 6105-00-925-2226
NSN 5835-01-050-9509
NSN 5905-01-425-1366