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 6320-00-539-9283
NSN 5999-01-281-5593
NSN 6110-00-004-1455
NSN 5925-01-239-6743
NSN 5990-01-114-5095
NSN 6620-01-261-2985
NSN 5910-01-008-5499
NSN 2925-00-253-1655
NSN 6105-01-281-2664
NSN 5905-00-890-5739
NSN 6610-01-371-3006
NSN 6105-01-112-0742