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 6130-01-309-0288
NSN 5920-01-109-9031
NSN 5855-01-018-1247
NSN 6130-01-216-6079
NSN 5930-01-049-5175
NSN 6150-01-019-9803
NSN 6650-01-378-5435
NSN 2925-01-510-9378
NSN 5996-00-110-7296
NSN 5950-00-963-7564
NSN 6145-01-132-2279
NSN 6240-00-250-5213