NSN 4820-01-431-6684

Part Details | FLAT VALVE DIAPHRAGM

4820-01-431-6684 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: 8036983468PC028, 803-6983468-PC028, 6983468 PIECE 28, 6983468, 4820-01-431-6684, 01-431-6684, 4820014316684, 014316684

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAY 16, 199601-431-668460396 ( DIAPHRAGM, VALVE, FLAT )
REFERENCE DRAWINGS & PICTURES

FLAT

Cross Reference | NSN 4820-01-431-6684
Part Number Cage Code Manufacturer
803-6983468-PC02853711NAVAL SEA SYSTEMS COMMAND
6983468 PIECE 2853711NAVAL SEA SYSTEMS COMMAND
698346853711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 4820-01-431-6684
Characteristic Specifications
MATERIAL PLASTIC POLYAMIDE AND RUBBER SYNTHETIC
STYLE DESIGNATOR FLAT
HOLE DIAMETER0.840 INCHES NOMINAL
OUTSIDE DIAMETER22.060 INCHES NOMINAL
BOLT CIRCLE DIAMETER20.250 INCHES NOMINAL
MATERIAL THICKNESS0.140 INCHES NOMINAL
CENTER HOLE DIAMETER1.160 INCHES NOMINAL
BOLT HOLE QUANTITY16
MEDIA FOR WHICH DESIGNED WATER, SALT
PRESSURE RATINGFBC250.0 POUNDS PER SQUARE INCH MINIMUM
TEMP RATING165.0 DEG FAHRENHEIT MAXIMUM
SPECIAL FEATURESADDITIONAL MATERIAL: FIBER
END ITEM IDENTIFICATIONFIRE FIGHTING EQUIPMENT