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 5910-01-562-5656
NSN 6145-01-165-9210
NSN 6135-01-510-9986
NSN 6240-00-954-5491
NSN 6620-01-584-6653
NSN 5985-01-462-4200
NSN 5990-00-068-4324
NSN 6685-01-325-1486
NSN 5920-01-453-4320
NSN 5985-01-406-6615
NSN 5925-00-249-1287
NSN 6150-01-434-3212