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Tube Fitting Locknut NSN 4730-00-540-0620

Item Description

An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also locknut, pipe; nut (1), tube coupling and nut (1), plain, hexagon.

NSN 4730-00-540-0620 NSN: 4730-00-540-0620

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Nut Style
Tube fitting locknut
Nut Height
0.200 inches
End Application
56f aircraft, b-1b
Width Across Flats
1.000 inches
Thread Series
Unf
Packing Recess Diameter
0.830 inches
Packing Recess Depth
0.042 inches
Thready Qty Per Inch (tpi)
18
Thread Size
0.562 inches
Tube Outside Diameter
0.375 inches
Material
Aluminum alloy
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 military specification single treatment response
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
005400620
NSN
4730005400620

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
60-5980
Cage Code:
82918
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4730-00-540-0620
What are the manufacturers of nsn 4730005400620?
Does this nsn 4730005400620 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730005400620
An item with internal machine threads designed to fit the external machine threads of a tube fitting. it has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. the item, when installed, provides a method of locking and sealing the connection. see also locknut, pipe; nut (1), tube coupling and nut (1), plain, hexagon.
Does nsn 4730005400620 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730005400620 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730005400620?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
17645
FIIG:
A021A0
App. Key:
CW
Cond. Code:
1
Status:
A

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