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 5999-01-246-2876
NSN 5930-01-128-4551
NSN 5965-01-236-9988
NSN 5950-00-592-0417
NSN 6145-01-335-0088
NSN 5920-00-474-6125
NSN 5930-00-465-4383
NSN 6320-00-937-5625
NSN 5855-00-117-0857
NSN 6135-00-917-1894
NSN 5925-00-978-9303
NSN 6130-01-485-7446