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 6645-00-171-9639
NSN 5965-01-477-0015
NSN 6130-01-195-8728
NSN 5990-00-739-7811
NSN 4140-00-900-6102
NSN 5999-01-132-6021
NSN 7035-01-318-6578
NSN 6320-01-255-2096
NSN 5915-01-326-7656
NSN 6110-01-541-3201
NSN 5915-00-198-3881
NSN 5945-00-608-9304