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 6110-00-578-7243
NSN 6645-01-144-8627
NSN 6130-01-216-6079
NSN 5930-00-232-3806
NSN 5998-00-089-1356
NSN 5990-01-215-0590
NSN 6645-01-087-7345
NSN 4140-00-483-1932
NSN 5910-01-546-6238
NSN 6110-00-305-2838
NSN 5965-01-123-3770
NSN 5895-01-430-3887