National Item Identification Number

01-286-1958
012861958
4730-01-286-1958
4730012861958

National Stock Number

Item Name

LOCKNUT,TUBE FITTING

Federal Supply Class

4730

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.

Commercial and Government Entity Code (Supplier Data)

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81343

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81343

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Reference Numbers (Part Numbers)

AN6289W6
AS5179
AS5179W06

Required Categories

THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE

Required Description

UNJF
0.562 INCHES
18
3B
RIGHT-HAND
ALUMINUM ALLOY OVERALL
A391 TUBE FITTIN