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National Stock Number:
5306-01-285-8884
Federal Supply Class:
5306
National Item Identification Number:
012858884
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:
| 300-337154 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 300-337154 | 89372 | ROCKWELL INTERNATIONAL CORP NORTH AMERICAN AIRCRAFT OPNS |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.301 INCHES MINIMUM AND | | 0.331 INCHES MAXIMUM | | FASTENER LENGTH | 0.739 INCHES MINIMUM AND | | 0.769 INCHES MAXIMUM | | MATERIAL | STEEL COMP E4340 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000,COND. C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | DISHED HEXAGON | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND | | 0.140 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | GRIP LENGTH | 0.438 INCHES NOMINAL | | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND | | 0.2495 INCHES MAXIMUM | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.055 INCHES MINIMUM AND | | 0.065 INCHES MAXIMUM FIRST HOLE | | 0.623 INCHES MINIMUM AND | | 0.653 INCHES MAXIMUM SECOND HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.082 INCHES NOMINAL FIRST HOLE | | 0.076 INCHES MINIMUM AND | | 0.086 INCHES MAXIMUM SECOND HOLE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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