5306-00-020-3615 BOLT,EXTERNALLY RELIEVED BODY Index 5305-00-020-3624 SCREW,MACHINE

National Stock Number:
5305-00-020-3623

Federal Supply Class:
5305

National Item Identification Number:
000203623

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:
8060002642-157057NAVCOM DEFENSE ELECTRONICS, INC.


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER1.139 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.219 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER1.856 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY3
FASTENER LENGTH2.202 INCHES MINIMUM AND 2.232 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
HEAD DIAMETER0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
HEAD HEIGHT0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
SECOND DIAMETER FROM HEAD0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072 FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THIRD DIAMETER FROM HEAD0.091 INCHES MINIMUM AND 0.097 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.361 INCHES MINIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH32


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