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 7035-01-608-4642
NSN 5930-01-541-9226
NSN 6645-01-212-9474
NSN 5855-01-559-3689
NSN 7035-01-551-4858
NSN 6135-01-177-3552
NSN 5950-01-592-3145
NSN 6320-01-421-3777
NSN 5920-00-431-5474
NSN 6650-00-862-7143
NSN 6620-01-652-4349
NSN 5999-00-285-2987