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 6110-01-343-3001
NSN 5998-01-537-8357
NSN 6240-00-342-9756
NSN 5945-01-554-3529
NSN 5950-00-891-4093
NSN 5930-00-567-1206
NSN 6105-00-356-1955
NSN 5930-00-152-8756
NSN 5855-01-145-4903
NSN 5925-00-899-2663
NSN 5855-01-549-3666
NSN 5835-01-495-0595