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 6135-00-553-7995
NSN 5996-01-467-7008
NSN 7035-01-561-3556
NSN 7035-01-503-5517
NSN 5835-00-763-2938
NSN 6650-00-349-8732
NSN 5965-01-415-2898
NSN 6145-00-409-6844
NSN 5965-01-643-8470
NSN 5905-01-358-3949
NSN 5950-01-428-7063
NSN 7035-01-316-7860