5306-01-525-3229, BOLT,SHEAR

National Stock Number:
5306-01-525-3229

Federal Supply Class:
5306

National Item Identification Number:
015253229

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:

NAS464PA15

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.110 INCHES MINIMUM AND 1.142 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH	1.265 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
GRIP DIAMETER	0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM
GRIP LENGTH	0.938 INCHES NOMINAL
HARDNESS RATING	36.0 ROCKWELL C MINIMUM OVERALL
HEAD HEIGHT	0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL	STEEL COMP 4140 AND STEEL COMP 6150 OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
SINGLE SHEAR STRENGTH	4650 POUNDS PER SQUARE INCH
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES NOMINAL FIRST HOLE
SPECIAL FEATURES	COTTER PIN HOLE NOT INCLUDED
WIDTH BETWEEN FLATS	0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.327 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	28

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