5306-01-077-4461, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-077-4461

Federal Supply Class:
5306

National Item Identification Number:
010774461

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:

5714128	34623	AM GENERAL LLC
ARL5714128	9R250	CASTRO INDUSTRIES INC
MB25-20000	34623	AM GENERAL LLC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	1.000 INCHES
THREAD QUANTITY PER INCH	14
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.250 INCHES NOMINAL
FASTENER LENGTH	6.500 INCHES NOMINAL
MATERIAL	STEEL COMP 4135 OR
	STEEL COMP 4137 OR
	STEEL COMP 4140 OR
	STEEL COMP 4142 OR
	STEEL COMP 4145 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND
	39.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
CONCENTRIC HOLE DEPTH	3.250 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER	0.188 INCHES NOMINAL
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.380 INCHES NOMINAL
WIDTH BETWEEN FLATS	1.590 INCHES NOMINAL
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.750 INCHES NOMINAL FIRST HOLE
	6.250 INCHES NOMINAL SECOND HOLE
SHANK UNTHREADED HOLE DIAMETER	0.188 INCHES NOMINAL FIRST HOLE
	0.218 INCHES NOMINAL SECOND HOLE
SPECIAL FEATURES	ANNEAL HEAD AND THREADS; UNDER THE HEAD IS A 0.380 IN. NECK HEIGHT WITH 12 TPI 0.034 OVER SHANK DIA.

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