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 6150-01-656-4460
NSN 5935-01-034-8867
NSN 5985-01-583-9197
NSN 5990-01-586-8202
NSN 6645-01-283-5387
NSN 6620-00-967-9684
NSN 6620-01-106-3553
NSN 5910-01-605-1469
NSN 6105-01-603-0373
NSN 5998-01-497-9404
NSN 2925-01-465-3437
NSN 6150-00-760-4566