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 5935-01-071-8194
NSN 5996-00-755-7199
NSN 6240-00-275-1950
NSN 5996-00-959-4892
NSN 7035-01-514-8522
NSN 6320-00-225-7013
NSN 5985-00-997-9323
NSN 5925-01-010-8922
NSN 6110-01-455-3376
NSN 5965-00-933-7020
NSN 5835-01-277-0710
NSN 5945-01-476-8109