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 6240-00-480-7896
NSN 6320-01-627-8295
NSN 5895-00-398-0029
NSN 5965-01-420-6613
NSN 6240-00-287-1988
NSN 2925-00-862-8550
NSN 5965-01-418-1760
NSN 5945-01-172-5754
NSN 5950-01-156-4956
NSN 7035-01-595-5270
NSN 6240-01-082-3387
NSN 7035-01-325-0536