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 5835-01-414-3258
NSN 5990-00-301-3386
NSN 6650-01-531-0908
NSN 6135-00-643-4843
NSN 5835-01-629-2044
NSN 5895-00-009-5698
NSN 5915-00-777-4296
NSN 6220-00-555-6609
NSN 7035-00-631-3782
NSN 6645-01-274-3384
NSN 2925-01-068-3844
NSN 5930-01-437-7182