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 6220-00-960-7591
NSN 5990-01-421-5342
NSN 5985-00-655-1934
NSN 4140-00-597-5260
NSN 6610-01-072-3447
NSN 6105-00-557-3345
NSN 6145-01-582-1618
NSN 5835-01-614-1900
NSN 6145-00-830-8210
NSN 5930-01-420-6183
NSN 5950-00-172-5151
NSN 5935-01-137-9842