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Tube Coupling Nut NSN 4730-00-139-3951

Item Description

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes nut (1), tube coupling, reducing; and nut (1), union.

NSN 4730-00-139-3951 NSN: 4730-00-139-3951

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Nut Style
Tube coupling
Nut Height
0.812 inches
Largest Outside Diameter
Between 0.870 inches and 0.875 inches
Width Across Flats
0.562 inches
Length To Shoulder
0.562 inches
Smallest Inside Diameter
Any acceptable
Thread Series
Unf
Thready Qty Per Inch (tpi)
24
Thread Size
0.375 inches
Tube Outside Diameter
0.188 inches
Seat Angle
30.0 degrees
Material
Copper alloy and nickel alloy
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
001393951
NSN
4730001393951

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NA1132
Cage Code:
83130
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7507200000
  • NAICS: 332919
  • SITC: 68322
  • Description: Tube or pipe fittings of nickel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 4730-00-139-3951
What are the manufacturers of nsn 4730001393951?
Does this nsn 4730001393951 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730001393951
An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. excludes nut (1), tube coupling, reducing; and nut (1), union.
Does nsn 4730001393951 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730001393951 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730001393951?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
03859
FIIG:
A021A0
App. Key:
CX
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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