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 5905-01-073-9150
NSN 5960-00-538-6872
NSN 6320-01-211-6578
NSN 5905-01-415-0869
NSN 6240-01-360-6213
NSN 4140-00-050-8456
NSN 5930-01-077-5568
NSN 6320-01-585-8468
NSN 5965-01-517-2000
NSN 5996-00-700-1182
NSN 5895-00-034-5679
NSN 5990-01-124-9063