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Pipe Flange NSN 4730-00-640-6834

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 4730-00-640-6834 NSN: 4730-00-640-6834

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Features and Characteristics

Bolt Circle Diameter
3.375 inches
Flange Diameter
4.500 inches
Thickness
0.438 inches
Socket Diameter
1.660 inches
Tube Outside Diameter For Which Designed
1.660 inches
Bolt Hole Quantity
4
Bolt Hole Diameter
0.562 inches
Neck Height
0.812 inches
Flange Section Style
Plain face, socket brazing neck
Face Seating Surface Condition
Machined
Maximum Operating Pressure And Media For Which Designed
150.0 pounds per square inch gas and 150.0 pounds per square inch oil and 150.0 pounds per square inch steam and 150.0 pounds per square inch water
Maximum Operating Tempurature And Media For Which Designed
425.0 degrees fahrenheit gas and 425.0 degrees fahrenheit oil and 425.0 degrees fahrenheit steam and 425.0 degrees fahrenheit water
Material
Copper
Style Designator
Round, one bolt hole circle
Supplementary Features
Brazing ring is not to be inserted in groove but packaged separately and either included within the parent component package or physically attached to parent component; except unless otherwise specified, tolerances shall be plus or minus 1/64 for fractions and plus or minus 0.10 for decimals for those dimensions not covered by para. 3.6.3 and table iv of mil-f-20042d
Nondefinitive Specification/std Data
Pr type
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
006406834
NSN
4730006406834

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MILF20042
Cage Code:
84849
Status:
A
MSDS:
Part Number:
B176
Cage Code:
80064
Status:
A
MSDS:
Part Number:
CS4730-0108A028DJ
Cage Code:
16236
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7412100000
  • NAICS: 332919
  • SITC: 68272
  • Description: Fittings, pipe and tube of refined copper
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 4730-00-640-6834
What are the manufacturers of nsn 4730006406834?
Does this nsn 4730006406834 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730006406834
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 4730006406834 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730006406834 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730006406834?
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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