5340-01-442-9729 CAP,PROTECTIVE,DUST AND MOISTURE Index 5340-01-442-9731 BRACKET,MOUNTING

National Stock Number:
5305-01-442-9730

Federal Supply Class:
5305

National Item Identification Number:
014429730

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:
206642-30AF43TRANSISTOR DEVICES INC FLORIDA DIV
SS-10606-120GCW4GLOBE ELECTRONIC HARDWARE, INC.


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.526 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.839 INCHES MINIMUM AND 0.854 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
HEAD DIAMETER0.375 INCHES NOMINAL
HEAD HEIGHT0.063 INCHES NOMINAL
HEAD STYLEFLAT FILLISTER
INTERNAL DRIVE STYLESLOT
MATERIALSTEEL COMP 303 OR STEEL COMP 203EZ OR STEEL COMP 303MA OR STEEL COMP 303 PLUS X OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.313 INCHES NOMINAL
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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