National Item Identification Number

01-516-2509
015162509
4730-01-516-2509
4730015162509

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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Reference Numbers (Part Numbers)

AS5178J16

Required Categories

THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD DIRECTION;

Required Description

UNJ
1.312 INCHES
12
RIGHT-HAND
STEEL CORROSION RESISTING OVERALL
A391 TUBE