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Pipe Flange NSN 4730-00-393-5186

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 4730-00-393-5186 NSN: 4730-00-393-5186

Features and Characteristics

Bolt Circle Diameter
3.375 inches
Thickness
0.969 inches
Pipe Size For Which Designed
1.250 inches
Bolt Hole Quantity
4
End Application
Refrigerant service
Flange Width
3.750 inches
Bolt Hole Diameter
Between 0.750 inches and 0.813 inches
Raised Face Height
0.156 inches
Raised Face Diameter
2.281 inches
Neck Height
1.125 inches
Flange Section Style
Raised face, welding neck
Screw Thread Series Designator
Npt
Face Seating Surface Condition
Machined
Thread Size
1.250 inches
Material
Steel
Material Specification
Astm a105, gr it assn standard single material response
Style Designator
Square, one bolt hole circle
Specification Data
81349-mil-u-1813c government specification
Nondefinitive Specification/std Data
2 type and a style
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
003935186
NSN
4730003935186

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MIL-U-18183
Cage Code:
81349
Status:
A
MSDS:
Part Number:
5178F
Cage Code:
66935
Status:
A
MSDS:
Part Number:
416261PC115
Cage Code:
66935
Status:
A
MSDS:
Part Number:
5178F1 1-2
Cage Code:
66935
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 4730-00-393-5186
What are the manufacturers of nsn 4730003935186?
Does this nsn 4730003935186 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730003935186
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 4730003935186 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730003935186 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730003935186?
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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