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 6135-00-284-1406
NSN 6685-01-434-6431
NSN 6620-01-207-0667
NSN 6620-00-844-4363
NSN 6685-00-169-1654
NSN 5998-00-896-6094
NSN 5945-01-649-7977
NSN 5990-01-328-8225
NSN 6685-01-446-8858
NSN 5915-01-293-2743
NSN 5985-01-480-7575
NSN 6105-00-161-1834