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 5985-01-621-5587
NSN 5950-00-348-2823
NSN 2925-01-424-0235
NSN 5975-00-541-8531
NSN 5925-01-281-8076
NSN 6685-01-332-4633
NSN 5855-00-688-9954
NSN 6130-01-291-4107
NSN 6620-01-168-8450
NSN 5985-01-227-5748
NSN 2925-00-101-7972
NSN 5945-00-869-2587