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 5895-01-197-4517
NSN 6105-01-562-3964
NSN 6105-01-024-9425
NSN 6150-01-167-6836
NSN 6240-00-423-9575
NSN 5920-01-207-4729
NSN 7035-01-317-4227
NSN 6110-00-960-0018
NSN 5930-01-381-6277
NSN 6650-01-237-0010
NSN 5985-01-422-8086
NSN 4140-01-483-0926