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 5975-00-997-9772
NSN 6110-01-443-9495
NSN 6105-00-834-0169
NSN 2925-01-091-4734
NSN 6220-00-215-4310
NSN 6220-00-872-0618
NSN 5998-00-327-4390
NSN 5960-01-619-9361
NSN 6320-01-302-5157
NSN 5930-00-973-1705
NSN 5975-01-644-8168
NSN 5999-00-189-0772