4820-00-846-0680 VALVE,GATE Index 5305-00-846-0686 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-846-0685

Federal Supply Class:
5305

National Item Identification Number:
008460685

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:
A24562306845RAYTHEON COMPANY


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.520 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.750 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.135 INCHES NOMINAL
HEAD DIAMETER0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM
HEAD HEIGHT0.107 INCHES MINIMUM AND 0.117 INCHES MAXIMUM
HEAD STYLEROUND
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 360 OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
SURFACE TREATMENTNICKEL OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH0.230 INCHES MINIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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