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 6150-01-209-5181
NSN 5975-01-445-6261
NSN 5920-01-313-7600
NSN 5996-01-551-4568
NSN 5895-00-079-3667
NSN 6645-01-651-9562
NSN 5998-01-469-3832
NSN 6150-01-212-0604
NSN 6220-00-994-5033
NSN 6645-00-526-9476
NSN 6105-01-443-2980
NSN 5935-00-812-7323