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 6105-01-397-8711
NSN 2925-01-054-3190
NSN 6145-01-413-1678
NSN 5999-01-143-6837
NSN 6610-00-614-1703
NSN 6105-01-481-4476
NSN 5990-01-020-6841
NSN 5999-00-828-8313
NSN 5950-00-989-8512
NSN 5985-01-437-9175
NSN 6105-00-479-8991
NSN 5965-01-229-8721