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 5965-00-265-7861
NSN 2925-00-373-8837
NSN 6105-01-078-8286
NSN 5905-01-153-7463
NSN 5999-01-088-8242
NSN 6685-01-513-9597
NSN 5945-01-283-6918
NSN 7035-01-230-0250
NSN 6240-01-085-6576
NSN 6650-01-530-3763
NSN 6610-00-184-0833
NSN 5960-00-605-9192