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 5935-00-413-1327
NSN 5920-00-519-7664
NSN 6130-01-170-2690
NSN 5935-00-687-0076
NSN 5996-00-222-6049
NSN 5935-01-150-8082
NSN 5910-01-422-3721
NSN 6240-01-525-6585
NSN 5985-01-199-1524
NSN 5915-01-465-5801
NSN 5935-01-640-9071
NSN 6145-01-538-7185