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 5996-01-014-6103
NSN 5935-00-132-1884
NSN 5935-01-361-6401
NSN 5990-01-555-6616
NSN 7035-01-633-9537
NSN 6320-01-216-1678
NSN 6610-01-305-0954
NSN 6145-00-789-7736
NSN 6240-01-442-7746
NSN 6110-01-209-3996
NSN 5920-01-087-9265
NSN 6110-01-222-4266