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 6645-01-529-8822
NSN 5996-01-185-5411
NSN 5945-01-628-7124
NSN 5855-00-586-6255
NSN 6130-00-635-9853
NSN 5998-01-192-9281
NSN 6685-01-393-4381
NSN 5950-01-460-2104
NSN 6150-01-228-3527
NSN 5999-01-125-1788
NSN 6145-01-340-4718
NSN 6240-01-389-6918