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National Stock Number:
5306-01-244-6875
Federal Supply Class:
5306
National Item Identification Number:
012446875
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.
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Manufacturer Information:
| MS21134H14058 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | MS21134H14058 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.875 INCHES | | THREAD QUANTITY PER INCH | 14 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.213 INCHES MINIMUM AND | | 1.263 INCHES MAXIMUM | | FASTENER LENGTH | 4.848 INCHES MINIMUM AND | | 4.878 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140 OR | | STEEL COMP 4340 OR | | STEEL COMP 8740 OR | | STEEL COMP 6150 OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | HEAD STYLE | SPLINE EXTENDED WASHER | | HEAD HEIGHT | 0.554 INCHES MINIMUM AND | | 0.594 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 1.034 INCHES MINIMUM AND | | 1.042 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 1.615 INCHES MINIMUM AND | | 1.625 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.116 INCHES MINIMUM AND | | 0.136 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 4 | | HOLE DIAMETER | 0.050 INCHES MINIMUM AND | | 0.060 INCHES MAXIMUM | | GRIP LENGTH | 3.615 INCHES MINIMUM AND | | 3.635 INCHES MAXIMUM | | GRIP DIAMETER | 0.8730 INCHES MINIMUM AND | | 0.8740 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES GRIP |
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