5306-00-680-6790 BOLT,EXTERNALLY RELIEVED BODY Index 5310-00-680-6793 WASHER,LOCK

National Stock Number:
5306-00-680-6791

Federal Supply Class:
5306

National Item Identification Number:
006806791

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:
36929706725SPS TECHNOLOGIES, LLC
3692970UCY9M.S. AEROSPACE INC.
36929756878SPS TECHNOLOGIES, LLC
36929777445RTX CORPORATION
36929792215HOWMET GLOBAL FASTENING SYSTEMS INC
36929793907TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS
369297U6683LINREAD LTD DBA LINREAD NORTHBRIDGE


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER1.510 INCHES MINIMUM AND 1.540 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER1.160 INCHES MINIMUM AND 1.180 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO FLAT0.176 INCHES MINIMUM AND 0.186 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY4
FASTENER LENGTH2.030 INCHES MINIMUM AND 2.050 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD0.375 INCHES NOMINAL
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD HEIGHT0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
HEAD STYLEDEE CHAMFER
MATERIALNICKEL OVERALL
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.375 INCHES
PRECIOUS MATERIALSILVER
SECOND DIAMETER FROM HEAD0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
SURFACE TREATMENTSILVER OVERALL
THIRD DIAMETER FROM HEAD0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
THREAD CLASS1A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.515 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH24


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