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 5930-01-058-7564
NSN 5998-01-085-3182
NSN 5835-01-068-4214
NSN 6685-00-153-3914
NSN 7035-01-535-7320
NSN 5930-00-364-3654
NSN 6130-01-262-2267
NSN 6620-00-267-5273
NSN 6320-01-442-3428
NSN 5999-01-500-7728
NSN 6650-01-183-0711
NSN 5915-00-383-1471