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 7035-01-510-8787
NSN 6240-00-737-2775
NSN 5965-00-208-4896
NSN 6110-01-490-7757
NSN 5950-00-470-7745
NSN 5915-01-614-3033
NSN 5945-01-096-0261
NSN 6135-01-334-3935
NSN 5905-01-435-0130
NSN 5990-01-272-4091
NSN 5925-01-431-5460
NSN 6645-01-428-3576