4210-00-252-3552 TRUCK,FIRE FIGHTING Index 4730-00-252-3554 FLANGE,PIPE

National Stock Number:
4730-00-252-3553

Federal Supply Class:
4730

National Item Identification Number:
002523553

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:
S22685-1/280064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BOLT HOLE DIAMETER0.344 INCHES NOMINAL
BOLT CIRCLE DIAMETER2.250 INCHES NOMINAL
BOLT HOLE QUANTITY4
FACE SEATING SURFACE CONDITIONMACHINED
FLANGE DIAMETER3.125 INCHES NOMINAL
FLANGE SECTION STYLEPLAIN FACE, RAISED NECK
MATERIALCOPPER ALLOY
NECK HEIGHT0.375 INCHES NOMINAL
NOMINAL THREAD SIZE0.500 INCHES
REDUCER FLANGE HOLE TYPECONCENTRIC
SCREW THREAD SERIES DESIGNATORNPT
SPECIAL FEATURESFLANGE DRILLED FOR RIVETS
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
THICKNESS0.188 INCHES NOMINAL
THREAD QUANTITY PER INCH14


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