5306-01-044-6556, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-044-6556

Federal Supply Class:
5306

National Item Identification Number:
010446556

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:

63-10292	17765	THE BOEING COMPANY
63-10292	81205	THE BOEING COMPANY

Techincal Specification:

CONCENTRIC HOLE DIAMETER	0.406 INCHES MINIMUM AND 0.421 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	5.944 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	6.057 INCHES MINIMUM AND 6.087 INCHES MAXIMUM
HEAD HEIGHT	0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
HEAD STYLE	DISHED HEXAGON
MATERIAL	STEEL COMP E4340 OR STEEL COMP 4140 OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.750 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
WIDTH BETWEEN FLATS	1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM
SURFACE TREATMENT	CADMIUM AND CHROMATE HEAD
SURFACE TREATMENT	CADMIUM AND CHROMATE GRIP
SURFACE TREATMENT	PAINT THREADS
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.570 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	16

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