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 6220-01-494-9356
NSN 5930-01-411-6534
NSN 6610-00-432-7162
NSN 5930-01-145-0525
NSN 5920-01-393-3430
NSN 5996-01-596-3039
NSN 6645-01-661-0428
NSN 6135-01-554-1842
NSN 5960-01-439-3731
NSN 5905-01-398-0605
NSN 5945-00-163-7261
NSN 6320-00-977-3930