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 6320-01-476-7476
NSN 6145-01-541-5056
NSN 5935-01-091-4677
NSN 6685-00-831-5989
NSN 6620-00-506-0112
NSN 5990-00-258-0228
NSN 6240-00-246-5060
NSN 5835-01-232-6904
NSN 5895-01-286-8272
NSN 5910-00-433-3128
NSN 6110-00-598-2574
NSN 6130-01-330-0241