5307-00-685-3484 STANDOFF,THREADED,SPACING Index 5310-00-685-3490 WASHER,LOCK

National Stock Number:
5305-00-685-3486

Federal Supply Class:
5305

National Item Identification Number:
006853486

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:
161861010001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.694 INCHES MINIMUM AND 0.724 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH1.114 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.184 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD DIAMETER0.406 INCHES MINIMUM AND 0.446 INCHES MAXIMUM
HEAD HEIGHT0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
HEAD STYLEBUTTON
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1010 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SECOND DIAMETER FROM HEAD0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.400 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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