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National Stock Number:
5306-01-176-1994
Federal Supply Class:
5306
National Item Identification Number:
011761994
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:
| L5871217-007 | 06710 | VALLEY-TODECO, INC. | | L5871217-007 | 06725 | SPS TECHNOLOGIES, LLC | | L5871217-007 | 10000 | MANEY AIRCRAFT, INC. | | L5871217-007 | 17446 | HUCK INTERNATIONAL, INC | | L5871217-007 | 23899 | J.W. MANUFACTURING, INC | | L5871217-007 | 27624 | SPS TECHNOLOGIES LLC | | L5871217-007 | 43999 | THE BOEING COMPANY | | L5871217-007 | 56878 | SPS TECHNOLOGIES, LLC | | L5871217-007 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP | | L5871217-007 | 73197 | HI-SHEAR CORPORATION | | L5871217-007 | 80378 | TRIUMPH AEROSTRUCTURES, LLC | | L5871217-007 | 80539 | SPS TECHNOLOGIES, LLC | | L5871217-007 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.750 INCHES MINIMUM AND 1.770 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 1.980 INCHES MINIMUM AND 2.000 INCHES MAXIMUM | | GRIP LENGTH | 1.120 INCHES MINIMUM AND 1.140 INCHES MAXIMUM | | GRIP DIAMETER | 0.4990 INCHES MINIMUM AND 0.4993 INCHES MAXIMUM | | HEAD HEIGHT | 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE | | SPECIAL FEATURES | KEY WAY SLOT IN THREADS 0.125 IN. MIN AND 0.130 IN. MAX WIDE | | WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND 0.751 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | LA0109-019 FSCM 43999 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.740 INCHES MINIMUM AND 0.880 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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