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Tube Coupling Nut NSN 4730-01-491-3591

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 4730-01-491-3591 NSN: 4730-01-491-3591

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Machined
Nut Style
Tube coupling
Nut Height
0.720 inches
End Application
F-22 aircraft
Width Across Flats
Between 0.557 inches and 0.567 inches
Length To Shoulder
0.398 inches
Smallest Inside Diameter
0.519 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
20
Thread Size
0.437 inches
Tube Outside Diameter
0.250 inches
Part Name Assigned By Controlling Agency
Nut, flareless
Special Features
Dry film lubrication applied
Material
Titanium alloy
Surface Treatment
Passivate
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
014913591
NSN
4730014913591

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS1792T04N
Cage Code:
81343
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8108908000
  • NAICS: 331491
  • SITC: 69985
  • Description: Other wrought titanium, nesoi
  • End Use (Code 12290):
    Nonferrous metals, other

Q & A

Frequently asked questions for NSN 4730-01-491-3591
What are the manufacturers of nsn 4730014913591?
Does this nsn 4730014913591 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730014913591
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 4730014913591 contain any precious metals?
No precious metal content.
Does nsn 4730014913591 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730014913591?
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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