5305-00-104-1679 SCREW,EXTERNALLY RELIEVED BODY Index 5365-00-104-1682 SPACER,PLATE

National Stock Number:
5306-00-104-1680

Federal Supply Class:
5306

National Item Identification Number:
001041680

Description:
BOLT,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 undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.


Manufacturer Information:
0N08903498230NATIONAL SECURITY AGENCY


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.800 INCHES MINIMUM AND 0.820 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
HEAD HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SPECIAL FEATURESHOLE 0.221 IN. DIA BY0.500 IN. LG DRILLED THRU HEAD ALONG LONGITUDINAL AXIS
WIDTH BETWEEN FLATS0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD LENGTH0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH24


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