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 5910-00-948-6018
NSN 6620-01-462-0001
NSN 5950-00-053-1679
NSN 6145-00-393-4083
NSN 5998-01-428-7824
NSN 4140-01-549-5048
NSN 5990-01-571-3593
NSN 5996-01-309-6002
NSN 5999-01-175-2522
NSN 5975-01-345-4177
NSN 5915-01-270-3613
NSN 5999-01-242-9854