5306-01-309-6512, BOLT,SHEAR

National Stock Number:
5306-01-309-6512

Federal Supply Class:
5306

National Item Identification Number:
013096512

Description:
BOLT,SHEAR

Detail:
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.

Manufacturer Information:

74597-M2015-45	56878	SPS TECHNOLOGIES, LLC
74597-M2015-45	80539	SPS TECHNOLOGIES, LLC
BACB30SX20-45	17446	HUCK INTERNATIONAL, INC
BACB30SX20-45	17943	FEDERAL MANUFACTURING CORP
BACB30SX20-45	27624	SPS TECHNOLOGIES LLC
BACB30SX20-45	81205	THE BOEING COMPANY
VS 3078-20-45	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30SX20-45	97928	HUCK INTL INC
VS3078-20-45	D9182	ZF INDUSTRIEANTRIEBE WITTEN GMBH

Techincal Specification:

THREAD SERIES DESIGNATOR	M
NOMINAL THREAD DIAMETER	20.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS	1.5
EXTERNAL THREAD TOLERANCE CLASS	4H
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	33.50 MILLIMETERS MINIMUM AND
	34.50 MILLIMETERS MAXIMUM
FASTENER LENGTH	78.75 MILLIMETERS MINIMUM AND
	79.25 MILLIMETERS MAXIMUM
MATERIAL	IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR
	AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH	1100 MEGAPASCALS
HEAD STYLE	HEXAGON
HEAD HEIGHT	13.19 MILLIMETERS MINIMUM AND
	13.63 MILLIMETERS MAXIMUM
WIDTH BETWEEN FLATS	29.67 MILLIMETERS MINIMUM AND
	30.00 MILLIMETERS MAXIMUM
GRIP LENGTH	44.75 MILLIMETERS MINIMUM AND
	45.25 MILLIMETERS MAXIMUM
GRIP DIAMETER	19.979 MILLIMETERS MINIMUM AND
	20.000 MILLIMETERS MAXIMUM
SURFACE FINISH	0.8 MICROMETERS GRIP
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT

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