5305-00-145-0862 SCREW,MACHINE Index 5305-00-145-0865 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-145-0863

Federal Supply Class:
5305

National Item Identification Number:
001450863

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:
852897918876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.359 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.137 INCHES MINIMUM AND 0.139 INCHES MAXIMUM
HEAD DIAMETER0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
HEAD HEIGHT0.118 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
HEAD STYLEFILLISTER
HOLE CONFIGURATION STYLEROUND
HOLE DIAMETER0.046 INCHES NOMINAL
HOLE TYPEDRILLED
HOLE QUANTITY1
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.198 INCHES MINIMUM AND 0.224 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF


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