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 6645-00-004-8628
NSN 2925-01-459-8093
NSN 2925-01-577-0004
NSN 6610-00-739-9707
NSN 5910-01-141-2049
NSN 5985-01-031-7401
NSN 5945-01-177-6731
NSN 5998-00-500-8551
NSN 4140-01-342-7930
NSN 6150-00-877-3954
NSN 5945-01-497-0549
NSN 5985-01-391-8708