5306-01-131-5478, BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-131-5478

Federal Supply Class:
5306

National Item Identification Number:
011315478

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:

74A425030-2001

76301

THE BOEING COMPANY

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.625 INCHES
THREAD QUANTITY PER INCH	18
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	3.050 INCHES NOMINAL
MATERIAL	STEEL COMP 4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6414 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
STYLE DESIGNATOR	CONCENTRIC HOLE UNTHREADED
SHOULDER DIAMETER	0.749 INCHES MINIMUM AND
	0.750 INCHES MAXIMUM
SHOULDER LENGTH	2.380 INCHES NOMINAL
CONCENTRIC HOLE DEPTH	2.355 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER	0.312 INCHES NOMINAL
HEAD STYLE	ROUND W/WRENCH FLATS CHAMFERED
HEAD DIAMETER	1.125 INCHES NOMINAL
HEAD HEIGHT	0.125 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.928 INCHES MINIMUM AND
	0.940 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.900 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.141 INCHES MINIMUM AND
	0.146 INCHES MAXIMUM FIRST HOLE
THE MANUFACTURERS DATA
MANUFACTURERS CODE	76301
DESIGN CONTROL REFERENCE	74A425030-2001

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