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 5950-01-181-6286
NSN 5915-00-913-5603
NSN 6220-00-292-3917
NSN 2925-01-505-1666
NSN 5975-00-339-3313
NSN 5930-01-313-2716
NSN 5855-00-973-5717
NSN 6130-01-630-2455
NSN 5935-01-541-0886
NSN 6150-01-026-0913
NSN 5998-01-509-3137
NSN 5985-01-231-9272