NSN 4730-00-256-8475

Part Details | PIPE FLANGE

4730-00-256-8475 An item solid or split into halves, having a threaded or unthreaded hole for the purpose of connecting or retaining a pipe, tube, or hose fitting. The face of the flange may be smooth, grooved, or serrated and may be drilled for connecting bolts or studs. If the item is unthreaded, the pipe or tube may be retained by welding, brazing, compression, or the like. Excludes FLANGE, PIPE, BLIND; FERRULE, GROOVED CLAMP COUPLING; and ADAPTER (as modified).

Alternate Parts: 8101385733, 810-1385733, 4730-00-256-8475, 00-256-8475, 4730002568475, 002568475

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-256-847503798 ( FLANGE, PIPE )
REFERENCE DRAWINGS & PICTURES

RAISED FACE, WELDING NECK

ROUND, ONE BOLT HOLE CIRCLE

Cross Reference | NSN 4730-00-256-8475
Part Number Cage Code Manufacturer
810-138573380064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4730-00-256-8475
Characteristic Specifications
MATERIAL STEEL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-872 MIL SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATOR ROUND, ONE BOLT HOLE CIRCLE
BOLT CIRCLE DIAMETER5.000 INCHES NOMINAL
FLANGE DIAMETER6.500 INCHES NOMINAL
BOLT HOLE DIAMETER0.688 INCHES NOMINAL
BOLT HOLE QUANTITY8
FLANGE SECTION STYLE RAISED FACE, WELDING NECK
THICKNESS1.000 INCHES NOMINAL
RAISED FACE HEIGHT0.250 INCHES NOMINAL
RAISED FACE DIAMETER4.250 INCHES NOMINAL
NECK HEIGHT1.875 INCHES NOMINAL
NOMINAL PIPE SIZE FOR WHICH DESIGNED2.000 INCHES
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED600.0 POUNDS PER SQUARE INCH STEAM AND 750.0 POUNDS PER SQUARE INCH WATER
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED850.0 DEG FAHRENHEIT STEAM AND 425.0 DEG FAHRENHEIT WATER
FACE SEATING SURFACE CONDITION MACHINED
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY 2.000 IN.SIZE