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 5835-01-170-5537
NSN 6220-01-158-0918
NSN 6105-01-085-6002
NSN 5835-01-614-1900
NSN 5930-01-189-7774
NSN 6685-01-245-8726
NSN 4140-00-391-0879
NSN 6320-01-425-1417
NSN 5910-01-359-0756
NSN 7035-01-551-1240
NSN 5930-01-412-4256
NSN 5960-01-212-8118