NSN 4820-01-431-6672

Part Details | FLAT VALVE DIAPHRAGM

4820-01-431-6672 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: 8036983468PC021, 803-6983468-PC021, 6983468PIECE 21, 6983468-PIECE 21, 6983468, 4820-01-431-6672, 01-431-6672, 4820014316672, 014316672

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAY 16, 199601-431-667260396 ( DIAPHRAGM, VALVE, FLAT )
REFERENCE DRAWINGS & PICTURES

FLAT

Cross Reference | NSN 4820-01-431-6672
Part Number Cage Code Manufacturer
803-6983468-PC02153711NAVAL SEA SYSTEMS COMMAND
6983468-PIECE 2153711NAVAL SEA SYSTEMS COMMAND
698346853711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 4820-01-431-6672
Characteristic Specifications
MATERIAL PLASTIC POLYAMIDE
STYLE DESIGNATOR FLAT
HOLE DIAMETER0.330 INCHES NOMINAL
OUTSIDE DIAMETER4.200 INCHES NOMINAL
BOLT CIRCLE DIAMETER3.550 INCHES NOMINAL
MATERIAL THICKNESS0.045 INCHES NOMINAL
CENTER HOLE DIAMETER0.450 INCHES NOMINAL
BOLT HOLE QUANTITY8
MEDIA FOR WHICH DESIGNED WATER, SALT
PRESSURE RATINGFBA450.0 POUNDS PER SQUARE INCH MINIMUM
TEMP RATING165.0 DEG FAHRENHEIT NOMINAL
END ITEM IDENTIFICATIONUSED ON THE FIRE FIGHTING EQUIPMENT