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Tube Coupling Nut NSN 4730-00-837-1771

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 4730-00-837-1771 NSN: 4730-00-837-1771

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Machined
Nut Style
Tube coupling
Nut Height
0.719 inches
Width Across Flats
0.688 inches
Length To Shoulder
0.603 inches
Smallest Inside Diameter
0.440 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
18
Thread Size
0.562 inches
Tube Outside Diameter
0.375 inches
Special Features
Drilled for locking device two 0.050 in. Diameter holes drilled through opposing corners, parrallel to each other, at 90 degrees angle to center line of hole
Material
Stainless steel
Surface Treatment
Passivate
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
008371771
NSN
4730008371771

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
S8079-215
Cage Code:
99193
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318160000
  • NAICS: 332722
  • SITC: 69421
  • Description: Nuts of iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 4730-00-837-1771
What are the manufacturers of nsn 4730008371771?
Does this nsn 4730008371771 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730008371771
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 4730008371771 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730008371771 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730008371771?
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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