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 6645-00-702-4386
NSN 5925-01-450-1808
NSN 6130-01-338-3707
NSN 5835-01-222-2437
NSN 2925-01-273-4898
NSN 6105-00-074-3223
NSN 5990-01-395-4194
NSN 5960-01-641-5493
NSN 5950-01-227-2466
NSN 5920-01-440-1561
NSN 6145-01-271-8425
NSN 5960-01-408-6290