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 6645-01-288-5973
NSN 6320-01-216-1678
NSN 6685-01-604-0263
NSN 5975-01-176-9824
NSN 5835-01-558-9444
NSN 5835-00-102-2373
NSN 5895-01-351-5099
NSN 6220-01-545-4613
NSN 5965-01-468-6186
NSN 5915-01-121-3453
NSN 5910-00-690-0253
NSN 5996-01-629-9093