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Tube Fitting Locknut NSN 4730-00-375-6405

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 4730-00-375-6405 NSN: 4730-00-375-6405

Features and Characteristics

Thread Class
2b
Thread Direction
Right-hand
Nut Style
Tube fitting locknut
Nut Height
0.410 inches
Width Across Flats
1.625 inches
Thread Series
Un
Packing Recess Diameter
1.317 inches
Thready Qty Per Inch (tpi)
12
Thread Size
1.312 inches
Tube Outside Diameter
1.000 inches
Criticality Code Justification
Feat
Special Features
Weapon system essential
Material
Steel
Material Specification
Fed-std-66 federal standard single material response
Surface Treatment Specification
J514 assn standard single treatment response and qq-p-416, type 2, cl 3 federal specification single treatment response
Specification Data
96906-ms51860 government standard
Nondefinitive Specification/std Data
25b figure
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
003756405
NSN
4730003756405

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS51860-60
Cage Code:
96906
Status:
A
MSDS:
Part Number:
16 080118C
Cage Code:
81343
Status:
A
MSDS:
Part Number:
J514
Cage Code:
81343
Status:
A
MSDS:
Part Number:
C5924X16
Cage Code:
01276
Status:
A
MSDS:
Part Number:
MS51860-10
Cage Code:
30327
Status:
A
MSDS:
Part Number:
10086139
Cage Code:
A486G
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4730-00-375-6405
What are the manufacturers of nsn 4730003756405?
Does this nsn 4730003756405 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730003756405
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 4730003756405 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730003756405 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730003756405?
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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