5306-01-063-0999, BOLT,SHEAR

National Stock Number:
5306-01-063-0999

Federal Supply Class:
5306

National Item Identification Number:
010630999

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:

MS21250H16056	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NASM21250-H16056	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

EXTENDED WASHER DIAMETER	1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.212 INCHES MINIMUM AND 0.232 INCHES MAXIMUM
FASTENER LENGTH	4.989 INCHES MINIMUM AND 5.009 INCHES MAXIMUM
GRIP DIAMETER	0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM
GRIP LENGTH	3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.913 INCHES MINIMUM AND 0.933 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/HOLE
HOLE CONFIGURATION STYLE	HEXAGON LONGITUDINAL HOLE
HOLE DIAMETER	0.055 INCHES NOMINAL
HOLE QUANTITY	4
HOLE TYPE	DRILLED
MATERIAL	STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	1.000 INCHES
WIDTH BETWEEN FLATS	1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.479 INCHES MINIMUM AND 1.519 INCHES MAXIMUM
THREAD QUANTITY PER INCH	12
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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