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 6650-01-466-2069
NSN 6650-01-255-4046
NSN 5985-01-238-9509
NSN 6685-01-618-7857
NSN 5925-00-471-1898
NSN 5910-00-135-8589
NSN 6145-01-569-4761
NSN 5960-01-347-6791
NSN 5950-01-385-0945
NSN 6320-00-853-1920
NSN 6645-01-337-8292
NSN 5998-01-555-8124