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 5930-01-362-9713
NSN 6105-01-013-6487
NSN 5975-00-233-6301
NSN 5905-01-147-4876
NSN 6610-01-175-5920
NSN 6145-01-622-6570
NSN 5985-01-003-8039
NSN 6220-00-961-5399
NSN 5960-00-172-7889
NSN 5935-01-420-6341
NSN 5905-01-033-2200
NSN 6320-01-643-0850