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National Stock Number:
5306-01-179-9790
Federal Supply Class:
5306
National Item Identification Number:
011799790
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:
| 10116106 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 109453-4D18 | 56878 | SPS TECHNOLOGIES, LLC | | AIC753-4D18 | 06725 | SPS TECHNOLOGIES, LLC | | BM17019-4D18 | 17446 | HUCK INTERNATIONAL, INC | | 11825-4D18 | 59563 | REID PRODUCTS INC. | | 109453-4D18 | 80539 | SPS TECHNOLOGIES, LLC | | S353-4D18 | 17446 | HUCK INTERNATIONAL, INC | | PBF1253-4D18 | 27624 | SPS TECHNOLOGIES LLC | | S11-1060-4D18 | 57928 | SONIC INDUSTRIES, INC. | | MA5453-4D18 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP | | KS3020-4D18 | 59764 | KENALOY PRODUCTS INC SUB MASCO CORP | | MB61-4D18 | 73197 | HI-SHEAR CORPORATION | | BM17019-4D18 | 97928 | HUCK INTL INC | | MB61-4D18 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | VAL23029-4D18 | 06710 | VALLEY-TODECO, INC. | | VS3204-4D18 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M453-4D18 | 0JV78 | J M PRECISION INC | | ST3M453-4D18 | 0PTK6 | SPS TECHNOLOGIES INC | | ST3M453-4D18 | 0UCY9 | M.S. AEROSPACE INC. | | ST3M453-4D18 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | ST3M453-4D18 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M453-4D18 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M453-4D18 | 59764 | KENALOY PRODUCTS INC SUB MASCO CORP | | ST3M453-4D18 | 76301 | THE BOEING COMPANY | | VS3204-4D18 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | S353-4D18 | 97928 | HUCK INTL INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.385 INCHES MINIMUM AND 1.442 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 1.506 INCHES MINIMUM AND 1.553 INCHES MAXIMUM | | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | | GRIP LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM | | HEAD HEIGHT | 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD LENGTH | 0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF | | WIDTH BETWEEN FLATS | 0.439 INCHES MAXIMUM |
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