5340-00-104-1678 STANDOFF,THREADED,SPACING Index 5306-00-104-1680 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-104-1679

Federal Supply Class:
5305

National Item Identification Number:
001041679

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:
0N089031-198230NATIONAL SECURITY AGENCY


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.305 INCHES MINIMUM
FASTENER LENGTH0.875 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEPAN
HEAD DIAMETER0.357 INCHES MINIMUM AND
0.373 INCHES MAXIMUM
HEAD HEIGHT0.122 INCHES MINIMUM AND
0.133 INCHES MAXIMUM
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.130 INCHES MINIMUM AND
0.140 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.570 INCHES NOMINAL
SPECIAL FEATURESTHD END CONE POINT
THE MANUFACTURERS DATA
MANUFACTURERS CODE98230
DESIGN CONTROL REFERENCE0N089031-1


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