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National Stock Number:
5306-01-348-2676
Federal Supply Class:
5306
National Item Identification Number:
013482676
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:
| 03A100-5-3 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | 03A100-5-3 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 123711-5-3 | 56878 | SPS TECHNOLOGIES, LLC | | AIC1655-5-3 | 06725 | SPS TECHNOLOGIES, LLC | | MB211-5-3 | 73197 | HI-SHEAR CORPORATION | | MB211-5-3 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | PBF1422-5-3 | 27624 | SPS TECHNOLOGIES LLC | | SII1185-5-3 | 57928 | SONIC INDUSTRIES, INC. | | VCG0017-5-3 | 06710 | VALLEY-TODECO, INC. | | VS3320-5-3 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3320-5-3 | 9N513 | VOI-SHAN/CHATSWORTH DIV OF VSI CORP SUB OF FAIRCHILD INDUSTRIES INC | | X385-5-3 | 17446 | HUCK INTERNATIONAL, INC | | X385-5-3 | 97928 | HUCK INTL INC |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.051 INCHES MINIMUM AND 0.071 INCHES MAXIMUM | | FASTENER LENGTH | 0.737 INCHES MINIMUM AND 0.767 INCHES MAXIMUM | | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | GRIP LENGTH | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM | | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | HEAD MINOR DIAMETER | 0.383 INCHES NOMINAL | | HEAD STYLE | SPLINE EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES GRIP32.0 MICROINCHES THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.538 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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