National Item Identification Number
01-311-0221
013110221
4820-01-311-0221
4820-01-311-0221
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)
14819
MAR-VEL INTERNATIONAL
DBA MAR-VEL UNDERWATER EQUIP INC
7100 AIRPORT HWY
PENNSAUKEN
NJ
08109
800-325-5711
94120
U S DIVERS CO INC
2340 COUSTEAU CT
VISTA
CA
92081
760-597-5000
Reference Numbers (Part Numbers)
0502-42
0502-42
Required Categories
DISK MATERIAL
III END ITEM IDENTIFICATION
Required Description
COPPER
U.S. DIVERS/AQUA LUNG TWIN MANIFOLD P/N 2800-00
