5306-01-197-1602 BOLT,SQUARE NECK Index 5305-01-197-1604 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-197-1603

Federal Supply Class:
5305

National Item Identification Number:
011971603

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
557417834623AM GENERAL LLC


Techincal Specification:
FASTENER LENGTH1.250 INCHES NOMINAL
HARDNESS RATING32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM
HEAD DIAMETER0.646 INCHES NOMINAL
HEAD STYLEROUND
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A322 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 4130 OVERALL OR STEEL COMP 4140 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.375 INCHES
WIDTH ACROSS FLATS0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A165,TY TS ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.125 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNC


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