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National Stock Number:
5306-01-349-0809
Federal Supply Class:
5306
National Item Identification Number:
013490809
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:
| 03A098-12D27P | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | 03A098-12D27P | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 123709-12D27P | 56878 | SPS TECHNOLOGIES, LLC | | 123709-12D27P | 80539 | SPS TECHNOLOGIES, LLC | | AIC1653-12D27P | 06725 | SPS TECHNOLOGIES, LLC | | DF33003-12D27P | 17446 | HUCK INTERNATIONAL, INC | | DF33003-12D27P | 97928 | HUCK INTL INC | | MB209-12D27 | 73197 | HI-SHEAR CORPORATION | | MB209-12D27 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | MB209PB12DS7 | 73197 | HI-SHEAR CORPORATION | | MB209PB12DS7 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | PBF1420-12D27P | 27624 | SPS TECHNOLOGIES LLC | | SII1188-12D27P | 57928 | SONIC INDUSTRIES, INC. | | VCJ0001-12D27P | 06710 | VALLEY-TODECO, INC. | | VCJ001-12D27P | 06710 | VALLEY-TODECO, INC. | | VS3319-12D27P | 27624 | SPS TECHNOLOGIES LLC | | VS3319-12D27P | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3319-12D27P | 9N513 | VOI-SHAN/CHATSWORTH DIV OF VSI CORP SUB OF FAIRCHILD INDUSTRIES INC | | X409-12D27P | 17446 | HUCK INTERNATIONAL, INC | | X409-12D27P | 97928 | HUCK INTL INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.458 INCHES MINIMUM AND 2.478 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 2.586 INCHES MINIMUM AND 2.616 INCHES MAXIMUM | | GRIP DIAMETER | 0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM | | GRIP LENGTH | 1.677 INCHES MINIMUM AND 1.697 INCHES MAXIMUM | | HEAD HEIGHT | 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM | | HEAD MINOR DIAMETER | 1.096 INCHES NOMINAL | | HEAD STYLE | SPLINE DRIVE SHEAR HEAD | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM FIRST HOLE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.914 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 16 |
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