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 5905-01-360-6976
NSN 5996-00-082-0320
NSN 6110-01-049-4362
NSN 6130-00-891-2320
NSN 2925-01-055-9705
NSN 6110-01-475-4058
NSN 5910-01-284-3642
NSN 5999-01-152-3917
NSN 5930-01-399-7959
NSN 5975-01-303-2166
NSN 4140-01-025-9699
NSN 6685-01-312-5525