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 5835-01-509-8992
NSN 5925-01-172-4571
NSN 6610-01-345-1110
NSN 5835-01-277-0710
NSN 5990-01-516-9665
NSN 6135-01-324-2505
NSN 2925-01-029-0467
NSN 5950-00-936-8102
NSN 5910-01-234-7407
NSN 5960-01-265-1393
NSN 5910-00-186-8680
NSN 5998-01-246-2269