5325-00-534-6955 INSERT,SCREW THREAD Index 5310-00-534-6957 NUT,PLAIN,HEXAGON

National Stock Number:
5306-00-534-6956

Federal Supply Class:
5306

National Item Identification Number:
005346956

Description:
BOLT,INTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.


Manufacturer Information:
90812758275SASCO INC CANADIAN DIV
952683120PRESSED METALS OF AMERICA INC


Techincal Specification:
CONCENTRIC HOLE DEPTH2.688 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER0.213 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.531 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH4.750 INCHES NOMINAL
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.438 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.688 INCHES
NOMINAL THREAD SIZE0.250 INCHES CONCENTRIC HOLE
SHANK UNTHREADED HOLE DIAMETER0.125 INCHES NOMINAL FIRST HOLE
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH4.562 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE
THREAD QUANTITY PER INCH11
THREADS PER INCH20 CONCENTRIC HOLE
WIDTH BETWEEN FLATS0.875 INCHES NOMINAL


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