5305-01-191-5292 SCREW,CAP,SOCKET HEAD Index 5305-01-191-5294 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-191-5293

Federal Supply Class:
5305

National Item Identification Number:
011915293

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:
882281-4996214RAYTHEON COMPANY


Techincal Specification:
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.120 INCHES NOMINAL
FASTENER LENGTH0.500 INCHES NOMINAL
MATERIALSTEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A493, 300 SERIES ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35, TYPE VII FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEBUTTON
HEAD DIAMETER0.201 INCHES MINIMUM AND
0.213 INCHES MAXIMUM
HEAD HEIGHT0.035 INCHES MINIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.062 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.072 INCHES MINIMUM AND
0.087 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.380 INCHES NOMINAL


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