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 5945-01-280-5477
NSN 6130-01-032-4958
NSN 4140-01-377-3471
NSN 5925-01-204-3363
NSN 2925-01-281-4212
NSN 5925-00-573-4367
NSN 6220-01-168-2078
NSN 6110-01-334-9536
NSN 6645-01-234-7459
NSN 6650-01-549-8478
NSN 6240-00-583-3818
NSN 6220-00-937-5906