5810-01-144-1485 INDUCTOR Index 5810-01-144-1487 SUPPORT

National Stock Number:
5305-01-144-1486

Federal Supply Class:
5305

National Item Identification Number:
011441486

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:
0N50245798230NATIONAL SECURITY AGENCY


Techincal Specification:
COUNTERSINK ANGLE100.0 DEGREES NOMINAL100.0 DEGREES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.283 INCHES NOMINAL0.283 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY22
FASTENER LENGTH0.530 INCHES NOMINAL0.530 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.095 INCHES NOMINAL0.095 INCHES NOMINAL
HEAD HEIGHT0.047 INCHES NOMINAL0.047 INCHES NOMINAL
HEAD DIAMETER0.279 INCHES NOMINAL0.279 INCHES NOMINAL
HEAD STYLEFLAT COUNTERSUNK UNDERCUTFLAT COUNTERSUNK UNDERCUT
INTERNAL DRIVE STYLESLOTSLOT
MATERIALSTEEL CORROSION RESISTING OVERALLSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.200 INCHES0.200 INCHES
SURFACE TREATMENTPASSIVATE OVERALLPASSIVATE OVERALL
THREAD LENGTH0.138 INCHES NOMINAL0.138 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH3232


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