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 2925-01-551-5375
NSN 5925-00-633-6236
NSN 5965-01-464-3372
NSN 5945-01-464-2212
NSN 6150-01-535-0598
NSN 6135-01-386-5709
NSN 6320-00-456-2092
NSN 6645-01-030-0662
NSN 2925-00-535-0372
NSN 5990-01-529-6985
NSN 5999-00-104-5582
NSN 6150-01-160-4239