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National Stock Number:
5306-01-265-3356
Federal Supply Class:
5306
National Item Identification Number:
012653356
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:
| 109453-6D34 | 56878 | SPS TECHNOLOGIES, LLC | | 11825-6D34 | 59563 | REID PRODUCTS INC. | | AIC753-6D34 | 06725 | SPS TECHNOLOGIES, LLC | | BM17019-6D34 | 17446 | HUCK INTERNATIONAL, INC | | BM17019-6D34 | 97928 | HUCK INTL INC | | KS3020-6D34 | 59764 | KENALOY PRODUCTS INC SUB MASCO CORP | | MA453-6D34 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP | | MB61-6D34 | 73197 | HI-SHEAR CORPORATION | | MB61-6D34 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | PBF1253-6D34 | 27624 | SPS TECHNOLOGIES LLC | | S11-1060-6D34 | 57928 | SONIC INDUSTRIES, INC. | | S353-6D34 | 17446 | HUCK INTERNATIONAL, INC | | S353-6D34 | 97928 | HUCK INTL INC | | ST3M453-6D34 | 0HL40 | MECAIR AEROSPACE INDUSTRIES SUBSIDIARY OF SPS TECHNOLOGIES DIV D SPS TECHNOLOGIES DBA MECAIR INC. | | ST3M453-6D34 | 0UCY9 | M.S. AEROSPACE INC. | | ST3M453-6D34 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP | | ST3M453-6D34 | 59764 | KENALOY PRODUCTS INC SUB MASCO CORP | | ST3M453-6D34 | 76301 | THE BOEING COMPANY | | ST3M453-6D34 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VAL23029-6D34 | 06710 | VALLEY-TODECO, INC. | | VS3204-6D34 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3204-6D34 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.500 INCHES MINIMUM AND 2.557 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 2.625 INCHES MINIMUM AND 2.672 INCHES MAXIMUM | | GRIP DIAMETER | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM | | GRIP LENGTH | 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM | | HEAD HEIGHT | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 0.564 INCHES MAXIMUM | | 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 | 0.490 INCHES MINIMUM AND 0.557 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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