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 5905-01-283-0592
NSN 5975-01-148-3102
NSN 5950-01-294-6692
NSN 5999-01-085-1381
NSN 5835-00-859-8330
NSN 6145-00-753-2264
NSN 5960-01-089-4019
NSN 6645-00-409-2168
NSN 6150-01-395-0661
NSN 5835-01-355-3654
NSN 6645-00-133-1536
NSN 5935-01-285-3472