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 6220-01-590-3094
NSN 5910-01-328-1685
NSN 5835-01-214-0522
NSN 6645-01-478-2140
NSN 7035-01-227-2546
NSN 5996-01-610-3406
NSN 6145-01-279-1264
NSN 5960-01-374-0764
NSN 5999-01-360-5868
NSN 2925-00-416-2894
NSN 4140-01-068-3500
NSN 7035-01-232-7263