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 5996-01-556-4277
NSN 5915-01-462-7236
NSN 5920-00-232-6419
NSN 5998-01-202-8949
NSN 6130-00-018-8621
NSN 5998-01-499-5752
NSN 2925-01-125-4800
NSN 5855-01-556-7421
NSN 5930-01-137-1723
NSN 6650-00-842-5463
NSN 5945-00-259-0886
NSN 6110-01-502-3595