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 5925-01-557-6895
NSN 6220-01-310-7166
NSN 5945-00-466-2887
NSN 5935-01-509-6995
NSN 5960-01-265-0354
NSN 5999-00-276-9299
NSN 5925-01-359-4814
NSN 4140-01-466-0217
NSN 6610-00-996-2566
NSN 5835-01-373-9506
NSN 5996-01-462-0112
NSN 6110-00-456-4867