NSN 4730-00-256-8557

Part Details | PIPE FLANGE

4730-00-256-8557 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: MILF20670, MILF20670, MILF20670 TYP C 2 IN, MIL-F-20670 TYP C 2 IN, B110TYPEC, B110TYPEC, 4730-00-256-8557, 00-256-8557, 4730002568557, 002568557

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-256-855703798 ( FLANGE, PIPE )
REFERENCE DRAWINGS & PICTURES

PLAIN FACE

ROUND, ONE BOLT HOLE CIRCLE

Cross Reference | NSN 4730-00-256-8557
Part Number Cage Code Manufacturer
MILF2067083993ALLIED PLUMBING SALES CO INC
MILF2067081349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-F-20670 TYP C 2 IN81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
B110TYPEC53711NAVAL SEA SYSTEMS COMMAND
B110TYPEC80064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4730-00-256-8557
Characteristic Specifications
MATERIAL STEEL
STYLE DESIGNATOR ROUND, ONE BOLT HOLE CIRCLE
BOLT CIRCLE DIAMETER4.437 INCHES NOMINAL
FLANGE DIAMETER5.562 INCHES NOMINAL
BOLT HOLE DIAMETER0.562 INCHES NOMINAL
BOLT HOLE QUANTITY6
FLANGE SECTION STYLE PLAIN FACE
THICKNESS0.500 INCHES NOMINAL
NOMINAL PIPE SIZE FOR WHICH DESIGNED2.000 INCHES
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED150.0 POUNDS PER SQUARE INCH STEAM AND 200.0 POUNDS PER SQUARE INCH GAS AND 200.0 POUNDS PER SQUARE INCH OIL AND 200.0 POUNDS PER SQUARE INCH WATER
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED775.0 DEG FAHRENHEIT STEAM AND 300.0 DEG FAHRENHEIT GAS AND 300.0 DEG FAHRENHEIT OIL AND 300.0 DEG FAHRENHEIT WATER
FACE SEATING SURFACE CONDITION SERRATED
NONDEFINITIVE SPEC/STD DATAC TYPE AND 2IN. SIZE
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY THK OF FLANGE