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 6620-00-234-8918
NSN 6145-01-271-2597
NSN 5935-00-843-9655
NSN 6105-00-456-1433
NSN 5910-00-557-0923
NSN 5915-01-340-7502
NSN 5910-00-658-3409
NSN 5950-01-127-0351
NSN 5905-01-041-2154
NSN 5855-01-260-1025
NSN 6135-01-214-6441
NSN 5910-01-014-0288