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 6650-01-200-7657
NSN 5999-01-634-0576
NSN 5998-01-631-4328
NSN 5975-00-574-9727
NSN 5996-00-707-6228
NSN 6320-00-731-6134
NSN 6150-00-891-7922
NSN 6610-01-494-2126
NSN 5960-01-357-1261
NSN 6620-01-106-2814
NSN 2925-01-025-0082
NSN 6135-00-635-6370