5306-01-280-5727, BOLT,SHEAR

National Stock Number:
5306-01-280-5727

Federal Supply Class:
5306

National Item Identification Number:
012805727

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:

MS21297-10043	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS21297-10043	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

EXTENDED WASHER THICKNESS	0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	1.153 INCHES MINIMUM AND 1.163 INCHES MAXIMUM
FASTENER LENGTH	3.693 INCHES MINIMUM AND 3.723 INCHES MAXIMUM
GRIP DIAMETER	0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM
GRIP LENGTH	2.678 INCHES MINIMUM AND 2.698 INCHES MAXIMUM
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
HEAD MINOR DIAMETER	0.673 INCHES MINIMUM AND 0.688 INCHES MAXIMUM
HEAD STYLE	SPLINE EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP H11 OVERALL
MINIMUM TENSILE STRENGTH	220000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.625 INCHES
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-8837,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	3A
THREAD LENGTH	0.884 INCHES MINIMUM AND 0.945 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNJF
THREAD QUANTITY PER INCH	18

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