NSN 4820-01-311-0221

Part Details | RUPTURABLE DISK

4820-01-311-0221 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.

Alternate Parts: 050242, 0502-42, 050242, 0502-42, 4820-01-311-0221, 01-311-0221, 4820013110221, 013110221

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48NOV 17, 198901-311-022127850 ( DISK, RUPTURABLE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-311-0221
Part Number Cage Code Manufacturer
0502-4214819MAR-VEL INTERNATIONAL INC.DBA MAR-VEL UNDERWATER EQUIP
0502-4294120U S DIVERS CO INCDBA (FOREIGN PARENT IS AQUALUNG
Technical Data | NSN 4820-01-311-0221
Characteristic Specifications
DISK MATERIAL COPPER
END ITEM IDENTIFICATIONU.S. DIVERS/AQUA LUNG TWIN MANIFOLD P/N 2800-00