5999-01-381-4304 SHIELDING GASKET,ELECTRONIC Index 5935-01-381-4306 BACKSHELL,ELECTRICAL CONNECTOR

National Stock Number:
5305-01-381-4305

Federal Supply Class:
5305

National Item Identification Number:
013814305

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:
626105653711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER0.188 INCHES MINIMUM AND 0.191 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY3
FASTENER LENGTH0.318 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.171 INCHES MINIMUM AND 0.174 INCHES MAXIMUM
HEAD DIAMETER0.312 INCHES NOMINAL
HEAD HEIGHT0.157 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA276 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304L OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
NOMINAL THREAD DIAMETER0.138 INCHES
SECOND DIAMETER FROM HEAD0.183 INCHES MINIMUM AND 0.186 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
THIRD DIAMETER FROM HEAD0.102 INCHES MINIMUM AND 0.105 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.085 INCHES NOMINAL


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