4730-00-252-3554 FLANGE,PIPE Index 4730-00-252-3556 FLANGE,PIPE

National Stock Number:
4730-00-252-3555

Federal Supply Class:
4730

National Item Identification Number:
002523555

Description:
FLANGE,PIPE

Detail:
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).


Manufacturer Information:
S22685-180064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BOLT HOLE DIAMETER0.406 INCHES NOMINAL
BOLT CIRCLE DIAMETER2.938 INCHES NOMINAL
BOLT HOLE QUANTITY4
FACE SEATING SURFACE CONDITIONMACHINED
FLANGE DIAMETER3.938 INCHES NOMINAL
FLANGE SECTION STYLEPLAIN FACE, RAISED NECK
MATERIALCOPPER ALLOY
NECK HEIGHT0.406 INCHES NOMINAL
NOMINAL THREAD SIZE1.000 INCHES
REDUCER FLANGE HOLE TYPECONCENTRIC
SCREW THREAD SERIES DESIGNATORNPT
SPECIAL FEATURESFLANGE DRILLED FOR RIVETS
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
THICKNESS0.250 INCHES NOMINAL
THREAD QUANTITY PER INCH11-1/2


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