5306-00-612-2883, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-612-2883

Federal Supply Class:
5306

National Item Identification Number:
006122883

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:

4-80727	81205	THE BOEING COMPANY
4-80727	82918	THE BOEING COMPANY

Techincal Specification:

CONCENTRIC HOLE DIAMETER	0.734 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	6.500 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	6.900 INCHES NOMINAL
HEAD HEIGHT	0.430 INCHES MINIMUM AND 0.470 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL	STEEL COMP 8630 OR STEEL COMP 4130 OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	1.250 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST HOLE
SPECIAL FEATURES	0.210 IN. W BY 1.042 IN. DIA EXTERNAL RELIEF ON SHANK 5.500 IN. FROM HEAD BEARING SURFACE
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
WIDTH BETWEEN FLATS	1.802 INCHES MINIMUM AND 1.815 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	1.190 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	12

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