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 6145-01-535-6220
NSN 6150-00-307-2652
NSN 5915-00-078-9574
NSN 5975-01-285-7321
NSN 6240-01-463-8276
NSN 6150-01-568-5261
NSN 5895-01-548-6088
NSN 5996-01-132-9996
NSN 5925-01-147-5368
NSN 5945-01-643-2649
NSN 5975-00-660-6652
NSN 5935-00-789-8259