4730-00-628-7972 BOLT,FLUID PASSAGE Index 5935-00-628-7975 CONNECTOR,RECEPTACLE,ELECTRICAL

National Stock Number:
5306-00-628-7973

Federal Supply Class:
5306

National Item Identification Number:
006287973

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:
537034-105812HORST ENGINEERING & MANUFACTURING CO
537034-106725SPS TECHNOLOGIES, LLC
537034-166861HARTFORD AIRCRAFT PRODUCTS, INC
537034-173030HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER2.540 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER4.130 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER1.500 INCHES NOMINAL
CRITICALITY CODE JUSTIFICATIONAGAV AND SFTT
EXTENDED WASHER THICKNESS0.018 INCHES NOMINAL
EXTENDED WASHER DIAMETER1.052 INCHES MINIMUM AND 1.062 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY3
FASTENER LENGTH4.850 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.655 INCHES NOMINAL
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.054 INCHES NOMINAL
HEAD STYLEHEXAGON EXTENDED WASHER
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT-RELIEVED SPL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES
SPECIAL FEATURES2 HOLES OPPOSITE END FROM HEAD; COUNTERSUNK TO 0.22 DIAME
SECOND DIAMETER FROM HEAD0.7545 INCHES MINIMUM AND 0.7548 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE I CLASS B PER HS74 FED STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THIRD DIAMETER FROM HEAD0.660 INCHES MINIMUM AND 0.662 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.710 INCHES NOMINAL
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH16


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