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Tube Fitting Locknut NSN 4730-00-540-2018

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 4730-00-540-2018 NSN: 4730-00-540-2018

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Tube fitting locknut
Nut Height
0.438 inches
End Application
Fbn spruance class dd (963)
Width Across Flats
1.625 inches
Thread Series
Un
Packing Recess Diameter
1.541 inches
Packing Recess Depth
0.054 inches
Thready Qty Per Inch (tpi)
12
Thread Size
1.312 inches
Tube Outside Diameter
1.000 inches
Material
Steel comp 304
Material Specification
11-s-763, class 304 federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type 1 federal specification single treatment response
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
005402018
NSN
4730005402018

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AN6289-16C
Cage Code:
88044
Status:
A
MSDS:
Part Number:
AS4841
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AS5179
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AS5179J16
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AN6289J16
Cage Code:
00624
Status:
A
MSDS:
Part Number:
AN6289C16
Cage Code:
88044
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4730-00-540-2018
What are the manufacturers of nsn 4730005402018?
Does this nsn 4730005402018 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730005402018
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 4730005402018 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730005402018 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730005402018?
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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