6240-01-201-4847 LAMP,INCANDESCENT Index 5985-01-201-4849 SWITCH,WAVEGUIDE

National Stock Number:
5305-01-201-4848

Federal Supply Class:
5305

National Item Identification Number:
012014848

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:
1303897105716RAYTHEON COMPANY
1303897118876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.070 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.075 INCHES MINIMUM AND 0.078 INCHES MAXIMUM
ASKEWED HEAD ANGLE45.0 DEGREES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH0.382 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.188 INCHES NOMINAL
HEAD DIAMETER0.375 INCHES NOMINAL
HEAD HEIGHT0.125 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES
SECOND DIAMETER FROM HEAD0.071 INCHES MINIMUM AND 0.074 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.304 INCHES MINIMUM AND 0.307 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH40


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