5306-00-639-5213, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-639-5213

Federal Supply Class:
5306

National Item Identification Number:
006395213

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:

78250

73030

HAMILTON SUNDSTRAND CORPORATION

Techincal Specification:

CONCENTRIC HOLE DEPTH	3.860 INCHES MINIMUM AND 3.920 INCHES MAXIMUM
CONCENTRIC HOLE DIAMETER	0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
COUNTERBORE DIAMETER	0.501 INCHES MINIMUM AND 0.508 INCHES MAXIMUM
COUNTERBORE DEPTH	0.068 INCHES MINIMUM AND 0.093 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	4.735 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	4.840 INCHES MINIMUM AND 4.920 INCHES MAXIMUM
HEAD HEIGHT	0.280 INCHES NOMINAL
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER	0.500 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES NOMINAL FIRST HOLE
STYLE DESIGNATOR	COUNTERBORE UNTHREADED
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.000 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	20
WIDTH BETWEEN FLATS	0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM

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