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 5965-00-199-4456
NSN 6685-01-347-4496
NSN 5996-01-383-0520
NSN 5925-00-845-9780
NSN 6685-01-321-3327
NSN 5998-01-511-0061
NSN 6240-01-651-8628
NSN 6610-01-483-1317
NSN 4140-00-397-9252
NSN 5910-01-509-9023
NSN 6150-00-155-3578
NSN 5920-00-561-1309