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 6110-01-391-6497
NSN 6685-01-627-5566
NSN 6620-00-251-0569
NSN 5925-01-492-4782
NSN 6150-00-328-8989
NSN 6645-01-334-5957
NSN 6320-01-129-9656
NSN 6110-01-049-4362
NSN 5965-01-284-5076
NSN 5985-01-316-6766
NSN 5895-00-410-9206
NSN 6220-00-274-8541