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Pipe Flange NSN 4730-00-640-6837

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 4730-00-640-6837 NSN: 4730-00-640-6837

Features and Characteristics

Bolt Circle Diameter
5.000 inches
Flange Diameter
6.125 inches
Thickness
0.500 inches
Socket Diameter
2.875 inches
Pipe Size For Which Designed
2.500 inches
Tube Outside Diameter For Which Designed
2.875 inches
Bolt Hole Quantity
6
Bolt Hole Diameter
0.562 inches
Neck Height
0.875 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
Precious Material And Weight
0.154 silver ounces, troy
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 of physically attached to parent component
Nondefinitive Specification/std Data
Pr type and plain, 150 lb class
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
006406837
NSN
4730006406837

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B176
Cage Code:
80064
Status:
A
MSDS:
Part Number:
MILF20042
Cage Code:
81349
Status:
A
MSDS:
Part Number:
CS4730-0108A031DJ
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 4730-00-640-6837
What are the manufacturers of nsn 4730006406837?
Does this nsn 4730006406837 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730006406837
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 4730006406837 contain any precious metals?
Item contains silver.
Does nsn 4730006406837 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730006406837?
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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