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 5935-01-056-2259
NSN 5985-00-820-9265
NSN 6135-00-715-4001
NSN 5965-01-083-0958
NSN 6320-00-405-2348
NSN 5998-01-434-7059
NSN 6220-01-543-6324
NSN 7035-01-521-2384
NSN 5925-01-058-6079
NSN 5835-01-439-0180
NSN 5915-00-394-6523
NSN 6320-01-608-1935