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National Stock Number:
5306-01-169-2904
Federal Supply Class:
5306
National Item Identification Number:
011692904
Description:
BOLT,CLOSE TOLERANCE
Detail:
An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.
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Manufacturer Information:
| 10116072 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | AS397-16T35 | 84256 | AVIBANK MFG., INC. | | LB52T16-35 | 73197 | HI-SHEAR CORPORATION | | ST3M833V16T35 | 76301 | THE BOEING COMPANY | | LB52T16-35 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.819 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 3.449 INCHES NOMINAL | | GRIP DIAMETER | 0.9985 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM | | GRIP LENGTH | 2.188 INCHES NOMINAL | | HEAD HEIGHT | 0.471 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | LOCKING FEATURE | DETENT BALL THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 1.000 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE | | SPECIAL FEATURES | FURNISHED WITH INHIBITOR. MATERIAL COMP 6AL-4V | | WIDTH BETWEEN FLATS | 1.427 INCHES MINIMUM AND 1.470 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.261 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 12 | | THREAD SERIES DESIGNATOR | UNJF |
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