NSN 4820-00-421-3858

Part Details | FLAT VALVE DIAPHRAGM

4820-00-421-3858 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: 31904G, 31904, 4820-00-421-3858, 00-421-3858, 4820004213858, 004213858

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48DEC 09, 197000-421-385860396 ( DIAPHRAGM, VALVE, FLAT )
REFERENCE DRAWINGS & PICTURES

FLAT

Cross Reference | NSN 4820-00-421-3858
Part Number Cage Code Manufacturer
31904G86184GRISWOLD INDUSTRIES, CO.DBA CLA-VAL CO
3190486184GRISWOLD INDUSTRIES, CO.DBA CLA-VAL CO
Technical Data | NSN 4820-00-421-3858
Characteristic Specifications
MATERIAL RUBBER SYNTHETIC
STYLE DESIGNATOR FLAT
HOLE DIAMETER0.175 INCHES NOMINAL
OUTSIDE DIAMETER3.125 INCHES NOMINAL
BOLT CIRCLE DIAMETER2.688 INCHES NOMINAL
MATERIAL THICKNESS0.075 INCHES NOMINAL
CENTER HOLE DIAMETER0.250 INCHES NOMINAL
BOLT HOLE QUANTITY8