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Pipe Flange NSN 4730-00-256-8554

Item Description

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).

NSN 4730-00-256-8554 NSN: 4730-00-256-8554

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Features and Characteristics

Bolt Circle Diameter
3.125 inches
Flange Diameter
4.250 inches
Thickness
0.438 inches
Pipe Size For Which Designed
1.000 inches
Bolt Hole Quantity
4
Bolt Hole Diameter
0.562 inches
Flange Section Style
Plain face
Face Seating Surface Condition
Serrated
Maximum Operating Pressure And Media For Which Designed
150.0 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 Tempurature And Media For Which Designed
775.0 degrees fahrenheit steam and 300.0 degrees fahrenheit gas and 300.0 degrees fahrenheit oil and 300.0 degrees fahrenheit water
Material
Steel
Style Designator
Round, one bolt hole circle
Nondefinitive Specification/std Data
C type
Departure From Cited Designator
As modified by thk of flange
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
002568554
NSN
4730002568554

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MIL-F-20670, TYPE C, SZ 1 INCH
Cage Code:
81349
Status:
A
MSDS:
Part Number:
MILF20670
Cage Code:
81349
Status:
A
MSDS:
Part Number:
B110TYPEC
Cage Code:
80064
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7307912000
  • NAICS: 332919
  • SITC: 67959
  • Description: Flanges of iron or nonalloy steel
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 4730-00-256-8554
What are the manufacturers of nsn 4730002568554?
Does this nsn 4730002568554 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730002568554
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).
Does nsn 4730002568554 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730002568554 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730002568554?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
03798
FIIG:
A23300
App. Key:
B
Cond. Code:
1
Status:
A

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