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Pipe Flange NSN 4730-01-306-0268

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 4730-01-306-0268 NSN: 4730-01-306-0268

Features and Characteristics

Groove Depth
Between 0.111 inches and 0.113 inches
Groove Width
Between 0.188 inches and 0.193 inches
Bolt Circle Diameter
5.938 inches
Flange Diameter
7.500 inches
Recess Diameter
Between 3.140 inches and 3.160 inches
Recess Depth
Any acceptable
Thickness
Between 0.940 inches and 0.970 inches
Pipe Size For Which Designed
3.000 inches
Bolt Hole Quantity
8
Bolt Hole Diameter
0.688 inches
Raised Face Height
Between 0.015 inches and 0.031 inches
Raised Face Diameter
4.500 inches
Neck Height
Any acceptable
Flange Section Style
Female face, welding neck
Groove Cross-sectional Shape
Rectangular
Groove Pitch Diameter
Any acceptable
Face Seating Surface Condition
Ground
Maximum Operating Pressure And Media For Which Designed
700.0 pounds per square inch any acceptable
Material
Copper alloy
Material Specification
Mil-c-15726, 70-30 military specification single material response
Style Designator
Round, one bolt hole circle
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
013060268
NSN
4730013060268

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2621-228-01 PIECE 193G
Cage Code:
96169
Status:
A
MSDS:
Part Number:
704-4685281 F3
Cage Code:
80064
Status:
A
MSDS:
Part Number:
2621-228-01
Cage Code:
96169
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7412200000
  • NAICS: 332919
  • SITC: 68272
  • Description: Copper alloy tube or pipe fittings
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 4730-01-306-0268
What are the manufacturers of nsn 4730013060268?
Does this nsn 4730013060268 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730013060268
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 4730013060268 contain any precious metals?
No precious metal content.
Does nsn 4730013060268 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730013060268?
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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