NSN 4820-01-189-3421

Part Details | FLAT VALVE DIAPHRAGM

4820-01-189-3421 An item in the form of one or more thin flexible sheets normally designed to form a tight seal between chambers of a valve, and to transmit motion to a valve disk either directly or through a mechanical linkage. The surface of the item(s) may not be formed or molded to have a beaded or rolled edge, ribs, or any other raised surfaces. The item may contain bolt holes and/or a center hole. Excludes DIAPHRAGM, VALVE, SPECIAL SHAPED and GASKET.

Alternate Parts: 69001, 2700R ITEM 4, 4820-01-189-3421, 01-189-3421, 4820011893421, 011893421

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48SEP 14, 198401-189-342160396 ( DIAPHRAGM, VALVE, FLAT )
REFERENCE DRAWINGS & PICTURES

FLAT

Cross Reference | NSN 4820-01-189-3421
Part Number Cage Code Manufacturer
6900100515OIL CAPITAL VALVE COMPANYDBA OCV CONTROL VALVES
2700R ITEM 400515OIL CAPITAL VALVE COMPANYDBA OCV CONTROL VALVES
Technical Data | NSN 4820-01-189-3421
Characteristic Specifications
MATERIAL RUBBER
STYLE DESIGNATOR FLAT
HOLE DIAMETER0.395 INCHES MINIMUM AND 0.523 INCHES MAXIMUM
OUTSIDE DIAMETER7.837 INCHES NOMINAL
BOLT CIRCLE DIAMETER6.725 INCHES NOMINAL
MATERIAL THICKNESS0.055 INCHES NOMINAL
CENTER HOLE DIAMETER1.900 INCHES NOMINAL
BOLT HOLE QUANTITY10