5306-00-318-8294, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-00-318-8294

Federal Supply Class:
5306

National Item Identification Number:
003188294

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:

8855-32	13002	GOODRICH CORPORATION
8855-32	6K4C8	GOODRICH CORPORATION

Techincal Specification:

DISTANCE FROM CENTERLINE TO FLAT	0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.810 INCHES NOMINAL FIRST HOLE
CONCENTRIC HOLE DIAMETER	0.160 INCHES NOMINAL
COUNTERBORE DEPTH	2.500 INCHES NOMINAL
COUNTERBORE DIAMETER	0.380 INCHES NOMINAL
FASTENER LENGTH	2.940 INCHES NOMINAL
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	1.000 INCHES NOMINAL
HEAD HEIGHT	0.120 INCHES NOMINAL
HEAD STYLE	DEE
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4140 OVERALL
NOMINAL THREAD DIAMETER	0.500 INCHES
SHOULDER DIAMETER	0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM
SHOULDER LENGTH	2.515 INCHES MINIMUM AND 2.520 INCHES MAXIMUM
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES NOMINAL FIRST HOLE
STYLE DESIGNATOR	COUNTERBORE UNTHREADED
SURFACE TREATMENT	CADMIUM HEAD
SURFACE TREATMENT	CADMIUM THREADS
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.330 INCHES MINIMUM AND 0.335 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	20

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