5305-01-282-7490 SCREW,EXTERNALLY RELIEVED BODY Index 5305-01-282-7492 SCREW,MACHINE

National Stock Number:
5306-01-282-7491

Federal Supply Class:
5306

National Item Identification Number:
012827491

Description:
BOLT,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.


Manufacturer Information:
BACB30FD12-45X06710VALLEY-TODECO, INC.
BACB30FD12-45X06727A-ABA CELLOPHANE PRODUCTS CORP
BACB30FD12-45X0JV78J M PRECISION INC
BACB30FD12-45X17446HUCK INTERNATIONAL, INC
BACB30FD12-45X27624SPS TECHNOLOGIES LLC
BACB30FD12-45X56878SPS TECHNOLOGIES, LLC
BACB30FD12-45X81205THE BOEING COMPANY
BACB30FD12-45X92215HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30FD12-45X97928HUCK INTL INC


Techincal Specification:
EXTENDED WASHER DIAMETER1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.168 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
FASTENER LENGTH3.740 INCHES MINIMUM AND 3.820 INCHES MAXIMUM
HEAD HEIGHT0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON W/HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E4340 AND STEEL COMP 8740 OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.750 INCHES
SHOULDER DIAMETER0.7636 INCHES MINIMUM AND 0.7646 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH2.802 INCHES MINIMUM AND 2.822 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
WIDTH BETWEEN FLATS0.792 INCHES MINIMUM AND 0.812 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OR CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.968 INCHES MINIMUM AND 1.018 INCHES MAXIMUM
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)


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