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 6650-00-587-6917
NSN 6105-01-187-2294
NSN 5930-01-411-7638
NSN 5925-01-558-2217
NSN 5998-01-023-7555
NSN 6610-01-541-4964
NSN 6240-00-316-3167
NSN 5855-01-010-4921
NSN 6650-01-601-8194
NSN 6240-01-058-8868
NSN 5960-01-205-1517
NSN 5945-00-703-8576