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 5965-01-510-3456
NSN 5950-00-255-6264
NSN 6130-01-014-5419
NSN 5910-00-358-6984
NSN 4140-00-128-8072
NSN 5925-01-327-0943
NSN 6685-01-607-5577
NSN 5960-00-597-2680
NSN 5996-01-511-7605
NSN 4140-00-111-3247
NSN 6650-00-891-9850
NSN 6110-01-600-1819