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 5910-01-534-3722
NSN 5998-01-099-6792
NSN 6220-00-927-6272
NSN 2925-01-004-5627
NSN 5930-01-527-5061
NSN 5975-01-379-4484
NSN 5950-01-188-7405
NSN 5998-00-941-7087
NSN 5999-00-113-8133
NSN 6135-00-962-4111
NSN 5999-01-131-2718
NSN 5996-00-234-3293