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 6135-01-344-9766
NSN 7035-01-449-1189
NSN 6220-00-468-5801
NSN 5855-01-323-5394
NSN 2925-01-462-1620
NSN 6150-00-935-3317
NSN 6105-01-227-5159
NSN 4140-01-232-6067
NSN 5920-01-463-9238
NSN 5998-01-087-2581
NSN 6105-01-657-3506
NSN 5998-01-517-8421