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 5920-01-383-7108
NSN 6220-00-528-7752
NSN 7035-01-008-7248
NSN 6135-00-351-8606
NSN 5965-01-503-1617
NSN 2925-00-152-1825
NSN 6130-00-611-2447
NSN 5930-01-415-5103
NSN 5920-01-434-3420
NSN 5975-01-412-3709
NSN 5930-00-471-5401
NSN 6130-00-557-8486