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 5835-00-707-6266
NSN 5990-00-474-5609
NSN 5905-01-067-8164
NSN 6130-00-912-4190
NSN 5998-01-060-1714
NSN 5960-01-359-4257
NSN 6130-01-184-3225
NSN 5996-01-260-5794
NSN 5930-00-466-0101
NSN 6645-00-984-7687
NSN 5905-00-176-2695
NSN 5996-01-118-0141