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 6220-00-269-3783
NSN 6135-01-226-4071
NSN 5965-00-188-5531
NSN 2925-01-604-8984
NSN 5915-01-122-7591
NSN 6150-00-608-9606
NSN 5935-01-147-4977
NSN 5965-01-316-4429
NSN 6110-00-591-3934
NSN 5996-01-095-5345
NSN 5835-00-883-8182
NSN 5920-00-796-6794