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 5835-01-436-1797
NSN 6620-00-226-2285
NSN 5835-01-270-7899
NSN 5835-00-880-6477
NSN 5985-01-454-8453
NSN 5920-01-199-2931
NSN 6645-01-497-6543
NSN 6105-00-188-6288
NSN 7035-00-916-9380
NSN 5935-00-690-4432
NSN 5990-00-797-7649
NSN 6320-01-357-3222