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 6620-01-371-5040
NSN 5990-00-254-4825
NSN 5910-00-689-4535
NSN 7035-01-545-8954
NSN 6320-01-648-5538
NSN 6240-01-346-2040
NSN 5945-01-141-7017
NSN 6610-00-398-9673
NSN 5855-00-237-4088
NSN 2925-01-341-0457
NSN 6105-01-129-7091
NSN 6650-01-010-0107