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 6130-01-118-5917
NSN 2925-01-251-2989
NSN 6130-00-876-2511
NSN 6145-01-168-9296
NSN 5905-01-434-0400
NSN 5999-01-248-3936
NSN 5965-01-313-6569
NSN 5996-00-660-8461
NSN 6110-01-215-9586
NSN 6145-01-478-8899
NSN 5895-01-196-6286
NSN 5945-01-605-1480