National Item Identification Number
01-242-3127
012423127
4820-01-242-3127
4820-01-242-3127
National Stock Number
Item Name
DISK,RUPTURABLE
Federal Supply Class
4820
Description
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.
Commercial and Government Entity Code (Supplier Data)
22501
HOWELL LABORATORIES INC
DBA SHIVELY LABS DIVISION
188 HARRISON RD
BRIDGTON
ME
04009
207-647-3327
Reference Numbers (Part Numbers)
5122B-2
Required Categories
DISK MATERIAL
DISK SIZE
BURST PRESSURE
III END ITEM IDENTIFICATION
Required Description
STEEL CORROSION RESISTING
0.500 INCHES
6000.0 PRESSURE POUNDS PER SQUARE INCH