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 5975-01-511-5265
NSN 5835-01-487-3042
NSN 5990-00-946-0919
NSN 5925-01-201-4413
NSN 5835-01-084-6997
NSN 7035-01-235-2295
NSN 6130-00-904-6975
NSN 5905-00-153-2802
NSN 6240-00-034-5909
NSN 5930-00-424-5919
NSN 5996-01-513-2521
NSN 5930-00-107-7718