5306-01-236-1636, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-236-1636

Federal Supply Class:
5306

National Item Identification Number:
012361636

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:

4J13360-133A

98897

LOCKHEED MARTIN CORP

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.875 INCHES
THREAD QUANTITY PER INCH	14
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.550 INCHES NOMINAL
FASTENER LENGTH	3.470 INCHES NOMINAL
MATERIAL	STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH	280000 POUNDS PER SQUARE INCH
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
CONCENTRIC HOLE DEPTH	2.830 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER	0.624 INCHES MINIMUM AND
	0.633 INCHES MAXIMUM
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.250 INCHES NOMINAL
WIDTH BETWEEN FLATS	1.239 INCHES MINIMUM AND
	1.252 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	3.340 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.139 INCHES MINIMUM AND
	0.145 INCHES MAXIMUM FIRST HOLE

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