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 5835-01-124-6288
NSN 5905-00-962-2921
NSN 5996-01-021-9330
NSN 5985-01-537-8402
NSN 5985-01-396-1896
NSN 6150-01-445-5366
NSN 5975-01-219-8703
NSN 5910-01-601-8087
NSN 6620-01-159-4330
NSN 5990-01-065-0492
NSN 5965-01-607-5753
NSN 6650-01-157-8806