6625-01-494-9724 SHUNT,INSTRUMENT Index 5306-01-494-9726 BOLT,MACHINE

National Stock Number:
5305-01-494-9725

Federal Supply Class:
5305

National Item Identification Number:
014949725

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
B1831BH120120N80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
EXTERNAL THREAD TOLERANCE CLASS4G6G
FASTENER LENGTH120.0 MILLIMETERS NOMINAL
HEAD DIAMETER17.63 MILLIMETERS MINIMUM AND 18.00 MILLIMETERS MAXIMUM
HEAD HEIGHT11.79 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A574M ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL PROPERTY CLASS 12.9 OVERALL
NOMINAL THREAD DIAMETER12.0 MILLIMETERS
WIDTH ACROSS FLATS10.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH45.0 MILLIMETERS NOMINAL
THREAD PITCH IN MILLIMETERS1.75
THREAD SERIES DESIGNATORISO M


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