5306-01-518-9672 BOLT,SHEAR Index 5305-01-518-9674 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-518-9673

Federal Supply Class:
5305

National Item Identification Number:
015189673

Description:
SCREW,CLOSE TOLERANCE

Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
BACB30NT3K1181205THE BOEING COMPANY
BACB30NT3K11Z03F0BOEING DEFENCE AUSTRALIA LTD
BACB30NT3K11Z8T75BOEING DEFENCE AUSTRALIA LTD


Techincal Specification:
FASTENER LENGTH0.595 INCHES NOMINAL
GRIP DIAMETER0.1895 INCHES MAXIMUM
GRIP LENGTH0.687 INCHES MAXIMUM
HEAD DIAMETER0.373 INCHES MAXIMUM
HEAD HEIGHT0.133 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIALTITANIUM ALLOY OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE TREATMENTALUMINUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.320 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF


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