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 5950-00-484-2863
NSN 6220-00-593-3179
NSN 5835-01-250-6027
NSN 6685-01-398-0653
NSN 5945-01-600-5345
NSN 6620-00-882-2479
NSN 5920-00-212-7505
NSN 5925-01-344-6478
NSN 5935-01-352-9411
NSN 5895-00-434-2381
NSN 5990-00-144-3243
NSN 6105-00-527-2193