5306-01-160-3949, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-160-3949

Federal Supply Class:
5306

National Item Identification Number:
011603949

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:

2P7622

11083

CATERPILLAR INC

Techincal Specification:

FASTENER LENGTH	23.620 INCHES NOMINAL
HARDNESS RATING	23.0 ROCKWELL C MINIMUM OVERALL AND 30.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.660 INCHES MINIMUM AND 0.720 INCHES MAXIMUM
HEAD STYLE	SQUARE
INTERNAL THREAD CLASS	2B CONCENTRIC HOLE
INTERNAL THREAD DIRECTION	RIGHT-HAND CONCENTRIC HOLE
INTERNAL THREAD LENGTH	1.250 INCHES NOMINAL CONCENTRIC HOLE
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 1049 OVERALL
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD SIZE	0.500 INCHES CONCENTRIC HOLE
NOMINAL THREAD DIAMETER	1.250 INCHES
SPECIAL FEATURES	TAPERED DIA ON HEAD END 4.560 IN. LG
WIDTH BETWEEN FLATS	2.000 INCHES MINIMUM AND 2.060 INCHES MAXIMUM
STYLE DESIGNATOR	CONCENTRIC HOLE THREADED
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	3.000 INCHES MINIMUM AND 3.250 INCHES MAXIMUM
THREAD QUANTITY PER INCH	7
THREAD SERIES DESIGNATOR	UNC
THREAD SERIES	UNC CONCENTRIC HOLE
THREADS PER INCH	13 CONCENTRIC HOLE

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