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 7035-01-088-6415
NSN 5975-01-498-3557
NSN 5999-00-990-5553
NSN 7035-01-265-0216
NSN 5920-01-347-5852
NSN 5990-00-985-1334
NSN 5920-01-480-2378
NSN 6150-01-078-4799
NSN 2925-00-740-7029
NSN 5910-00-223-5454
NSN 5930-01-513-6725
NSN 5920-00-767-9049