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Tube Fitting Locknut NSN 4730-00-258-0489

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 4730-00-258-0489 NSN: 4730-00-258-0489

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Tube fitting locknut
Nut Height
0.391 inches
Width Across Flats
Between 1.121 inches and 1.128 inches
Thread Series
Unf
Packing Recess Diameter
Between 1.040 inches and 1.050 inches
Packing Recess Depth
Between 0.049 inches and 0.059 inches
Thready Qty Per Inch (tpi)
14
Thread Size
0.875 inches
Tube Outside Diameter
0.625 inches
Material
Steel comp 316
Material Specification
Mil-s-763 military specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 military specification single treatment response
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
002580489
NSN
4730002580489

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AN6289K10
Cage Code:
88044
Status:
A
MSDS:
Part Number:
157618194
Cage Code:
A0199
Status:
A
MSDS:
Part Number:
AS4841
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AS5179
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AS5179K10
Cage Code:
81343
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4730-00-258-0489
What are the manufacturers of nsn 4730002580489?
Does this nsn 4730002580489 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730002580489
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 4730002580489 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730002580489 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730002580489?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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