NSN 4730-00-256-8586

Part Details | PIPE FLANGE

4730-00-256-8586 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: 870118401, 8701184-01, 33303, 11JC5224184, 11JC5224-184, 0125SW1RS, 0125-SW1RS, 3305840, 3305840, 4730-00-256-8586, 00-256-8586, 4730002568586, 002568586

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-256-858603798 ( FLANGE, PIPE )
REFERENCE DRAWINGS & PICTURES

PLAIN FACE, RAISED NECK

ROUND, ONE BOLT HOLE CIRCLE

Cross Reference | NSN 4730-00-256-8586
Part Number Cage Code Manufacturer
8701184-0171871ALFA LAVAL INC.
3330371871ALFA LAVAL INC.
11JC5224-18404579AURORA PUMPA UNIT OF GENERAL SIGNAL CORP
0125-SW1RS0J0Z5DANSWAY INCORPORATED
330584072915GENERAL MOTORS CORPELECTRO-MOTIVE DIV
330584055380HATCH & KIRK, INC.
Technical Data | NSN 4730-00-256-8586
Characteristic Specifications
MATERIAL IRON
STYLE DESIGNATOR ROUND, ONE BOLT HOLE CIRCLE
BOLT CIRCLE DIAMETER3.375 INCHES NOMINAL
FLANGE DIAMETER4.500 INCHES NOMINAL
BOLT HOLE DIAMETER0.562 INCHES NOMINAL
BOLT HOLE QUANTITY4
FLANGE SECTION STYLE PLAIN FACE, RAISED NECK
THICKNESS0.438 INCHES NOMINAL
NECK HEIGHT0.312 INCHES NOMINAL
NOMINAL PIPE SIZE FOR WHICH DESIGNED1.250 INCHES
SCREW THREAD SERIES DESIGNATOR NPT
NOMINAL THREAD SIZE1.250 INCHES
THREAD QUANTITY PER INCH11-1/2
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED100.0 POUNDS PER SQUARE INCH STEAM
FACE SEATING SURFACE CONDITION MACHINED