5306-01-132-9783 BOLT,MACHINE Index 5305-01-132-9785 SCREW,MACHINE

National Stock Number:
5305-01-132-9784

Federal Supply Class:
5305

National Item Identification Number:
011329784

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:
SM-B-528628-180063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.310 INCHES NOMINAL0.310 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY11
FASTENER LENGTH0.620 INCHES NOMINAL0.620 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.115 INCHES NOMINAL0.115 INCHES NOMINAL
HEAD HEIGHT0.160 INCHES NOMINAL0.160 INCHES NOMINAL
HEAD STYLEHEXAGONHEXAGON
INTERNAL DRIVE STYLESLOTSLOT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALLASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALLSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES0.164 INCHES
SPECIAL FEATURESCOLOR BLACKCOLOR BLACK
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALLMIL-C-13924 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALLOXIDE OVERALL
THREAD CLASS2A2A
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
THREAD LENGTH0.310 INCHES NOMINAL0.310 INCHES NOMINAL
THREAD QUANTITY PER INCH3232
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL0.312 INCHES NOMINAL


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