5306-01-023-9711, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-023-9711

Federal Supply Class:
5306

National Item Identification Number:
010239711

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:

000993-800-3	98752	WARNER ROBINS AIR LOGISTICS CENTER
65C35566-3	18894	AIR ARMAMENT CENTER/ EN

Techincal Specification:

CONCENTRIC HOLE DIAMETER	0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
COUNTERBORE DEPTH	0.250 INCHES NOMINAL
COUNTERBORE DIAMETER	0.186 INCHES MINIMUM AND 0.189 INCHES MAXIMUM
FASTENER LENGTH	1.188 INCHES MINIMUM AND 1.234 INCHES MAXIMUM
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL	STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.375 INCHES
WIDTH BETWEEN FLATS	0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
STYLE DESIGNATOR	COUNTERBORE UNTHREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.609 INCHES MINIMUM AND 0.688 INCHES MAXIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNF

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