5305-00-139-6837 SCREW,CAP,SOCKET HEAD Index 5330-00-139-6840 SEAL,PLAIN ENCASED

National Stock Number:
5305-00-139-6839

Federal Supply Class:
5305

National Item Identification Number:
001396839

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:
250-0139-00071468ITT CANNON LLC


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.021 INCHES MINIMUM AND 0.029 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.453 INCHES MINIMUM AND 0.467 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.640 INCHES MINIMUM AND 0.650 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.130 INCHES MINIMUM AND 0.136 INCHES MAXIMUM
HEAD DIAMETER0.212 INCHES MINIMUM AND 0.222 INCHES MAXIMUM
HEAD HEIGHT0.088 INCHES MINIMUM AND 0.096 INCHES MAXIMUM
HEAD STYLEFILLISTER
HOLE CONFIGURATION STYLEROUND
HOLE DIAMETER0.046 INCHES NOMINAL
HOLE QUANTITY1
HOLE TYPEDRILLED
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATION0109.00,FSCM 71468 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
SECOND DIAMETER FROM HEAD0.091 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
SPECIAL FEATURESPOINTED END 118.0 DEGREE MIN,122.0 DEGREE MAX
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONES201,FSCM 71468 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD LENGTH0.173 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH32


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