5305-01-207-1679 SCREW,EXTERNALLY RELIEVED BODY Index 5305-01-207-1681 SCREW,INSTRUMENT

National Stock Number:
5305-01-207-1680

Federal Supply Class:
5305

National Item Identification Number:
012071680

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:
500647399167HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.715 INCHES MINIMUM AND 0.745 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.944 INCHES MINIMUM AND 0.964 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM
HEAD DIAMETER0.124 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
HEAD HEIGHT0.055 INCHES MINIMUM AND 0.062 INCHES MAXIMUM
HEAD STYLEFILLISTER
HOLE CONFIGURATION STYLEROUND
HOLE DIAMETER0.031 INCHES NOMINAL
HOLE QUANTITY1
HOLE TYPEDRILLED
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 316 OVERALL
PROPRIETARY CHARACTERISTICSPACS
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.086 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD LENGTH0.199 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH56
THREAD SERIES DESIGNATORUNC


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