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National Stock Number: 5306-01-080-1711
Federal Supply Class: 5306
National Item Identification Number: 010801711
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:
2943028-1 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNJF | NOMINAL THREAD DIAMETER | 0.625 INCHES | THREAD QUANTITY PER INCH | 18 | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 1.250 INCHES NOMINAL | FASTENER LENGTH | 3.000 INCHES NOMINAL | MATERIAL | STEEL OVERALL | MATERIAL DOCUMENT AND CLASSIFICATION | DMS 1935 FSCM 88277 MFR REF SINGLE MATERIAL RESPONSE OVERALL | SURFACE TREATMENT | CADMIUM OVERALL | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | FS-251 FSCM 88277 MFR REF SINGLE TREATMENT RESPONSE OVERALL | HEAD STYLE | DOUBLE HEXAGON W/HOLE | HEAD HEIGHT | 0.608 INCHES MINIMUM AND | | 0.628 INCHES MAXIMUM | WIDTH BETWEEN FLATS | 0.688 INCHES NOMINAL | EXTENDED WASHER DIAMETER | 1.040 INCHES MINIMUM AND | | 1.050 INCHES MAXIMUM | EXTENDED WASHER THICKNESS | 0.140 INCHES MINIMUM AND | | 0.150 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 | 1.750 INCHES NOMINAL | GRIP DIAMETER | 0.6230 INCHES MINIMUM AND | | 0.6240 INCHES MAXIMUM | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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