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 6650-01-396-5352
NSN 5895-01-374-2812
NSN 5945-00-301-4830
NSN 5965-01-121-2319
NSN 6620-01-523-0713
NSN 5895-00-250-8931
NSN 5920-01-052-1445
NSN 5915-01-194-7598
NSN 5950-00-586-3564
NSN 5998-01-445-4261
NSN 5996-01-414-1685
NSN 6240-00-408-9545