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 6130-01-516-9835
NSN 5998-01-024-9042
NSN 6220-00-998-0552
NSN 6610-01-519-3080
NSN 5925-01-440-1312
NSN 6110-01-179-3669
NSN 6135-00-840-6451
NSN 6105-01-659-2444
NSN 5998-00-678-0782
NSN 5855-00-221-9435
NSN 6105-01-591-3044
NSN 6220-01-311-2531