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 5910-01-091-6259
NSN 6685-00-661-2347
NSN 6645-01-206-4888
NSN 5975-00-377-8914
NSN 6650-00-195-7519
NSN 5895-01-351-6190
NSN 5905-01-191-9281
NSN 5950-01-299-9082
NSN 7035-00-922-5700
NSN 5835-01-576-9013
NSN 6110-01-229-4429
NSN 6685-01-589-8522