1720-00-966-7881 SCRAPER Index 1720-00-966-7887 SPRING RETAINER

National Stock Number:
5306-00-966-7886

Federal Supply Class:
5306

National Item Identification Number:
009667886

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:
035-41147Z9F512PARKER-HANNIFIN CORPORATION
410027-380020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER0.469 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.260 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.375 INCHES NOMINAL
EXTENDED WASHER DIAMETER0.510 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.095 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
FASTENER LENGTH1.242 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.312 INCHES NOMINAL
HEAD HEIGHT0.156 INCHES NOMINAL
HEAD STYLEHEXAGON EXTENDED WASHER
LOCKING FEATUREPELLET THREADS
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SECOND DIAMETER FROM HEAD0.250 INCHES NOMINAL
SPECIAL FEATURESW/NYLON PELLET IN THDS
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THIRD DIAMETER FROM HEAD0.250 INCHES NOMINAL
THREAD LENGTH0.875 INCHES MINIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF
WIDTH BETWEEN FLATS0.187 INCHES NOMINAL


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