National Item Identification Number
01-370-4780
013704780
4820-01-370-4780
4820-01-370-4780
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)
64055
OKLAHOMA SAFETY EQUIPMENT CO
DBA OSECO
1701 W TACOMA ST
BROKEN ARROW
OK
74012
918-259-7167
58163
Reference Numbers (Part Numbers)
SK-0148
334251P01
334251P01
Required Categories
DISK MATERIAL
DISK SIZE
BURST PRESSURE
BURST TEMPERATURE
Required Description
NICKEL ALLOY
0.750 INCHES
4000.0 PRESSURE POUNDS PER SQUARE INCH GAGE
240.0 D