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 6130-00-956-8267
NSN 4140-01-523-5578
NSN 6150-01-418-3632
NSN 5925-00-419-0233
NSN 6110-00-045-6323
NSN 5965-00-439-6287
NSN 5950-01-536-0641
NSN 6650-00-295-3609
NSN 5999-01-142-7906
NSN 6130-01-524-8915
NSN 6145-00-958-3662
NSN 6145-01-113-8205