5306-01-166-5721 BOLT,MACHINE Index 5310-01-166-5725 NUT,PLAIN,HEXAGON

National Stock Number:
5305-01-166-5722

Federal Supply Class:
5305

National Item Identification Number:
011665722

Description:
SCREW,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.


Manufacturer Information:
1146257018876U S ARMY AVIATION AND MISSILE COMMAND
1146257064609BANNER MACHINE COMPANY, INC.


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.392 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.562 INCHES NOMINAL
ASKEWED HEAD ANGLE90.0 DEGREES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH0.562 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.120 INCHES NOMINAL
HEAD DIAMETER0.314 INCHES NOMINAL
HEAD HEIGHT0.115 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-761 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.164 INCHES
POINT STYLEFLAT
SECOND DIAMETER FROM HEAD0.164 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD LENGTH0.170 INCHES NOMINAL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH32


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