National Item Identification Number

01-304-9806
013049806
4730-01-304-9806
4730013049806

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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02570

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Reference Numbers (Part Numbers)

B-402-1
216-4363322 BC-F45

Required Categories

MATERIAL
SPECIAL FEATURES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CR

Required Description

COPPER ALLOY OVERALL
NUT FOR 0.250 OD TUBE
MATERIAL WILL BE IN ACCORDANCE WITH