NSN 4730-00-451-1791

Part Details | PIPE FLANGE

4730-00-451-1791 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: 2584501, 2584501, 2584501, 4730-00-451-1791, 00-451-1791, 4730004511791, 004511791

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47MAY 12, 197100-451-179103798 ( FLANGE, PIPE )
REFERENCE DRAWINGS & PICTURES

RAISED AND RECESSED FACE, RAISED NECK

ROUND, TWO BOLT HOLE CIRCLES

Cross Reference | NSN 4730-00-451-1791
Part Number Cage Code Manufacturer
258450180212BAE SYSTEMS LAND & ARMAMENTS L.P.
2584501076M6BAE SYSTEMS LAND & ARMAMENTS L.P.
258450180064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4730-00-451-1791
Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT CADMIUM
STYLE DESIGNATOR ROUND, TWO BOLT HOLE CIRCLES
FLANGE DIAMETER7.775 INCHES NOMINAL
OUTER BOLT CIRCLE DIAMETER5.774 INCHES NOMINAL
INNER BOLT CIRCLE DIAMETER5.120 INCHES NOMINAL
OUTER BOLT CIRCLE HOLE DIAMETER0.800 INCHES MINIMUM AND 0.830 INCHES MAXIMUM
INNER BOLT CIRCLE HOLE DIAMETER0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM
OUTER BOLT CIRCLE HOLE QUANTITY8
INNER BOLT CIRCLE HOLE QUANTITY1
FLANGE SECTION STYLE6 RAISED AND RECESSED FACE, RAISED NECK
THICKNESS0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
BEVEL DEPTH0.062 INCHES NOMINAL
NECK HEIGHT0.635 INCHES NOMINAL
REDUCER FLANGE HOLE TYPE ECCENTRIC
FACE SEATING SURFACE CONDITION GROUND