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National Stock Number:
5306-01-349-0811
Federal Supply Class:
5306
National Item Identification Number:
013490811
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:
| 03A098-7D18 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | 03A098-7D18 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 123709-7D18 | 56878 | SPS TECHNOLOGIES, LLC | | 123709-7D18 | 80539 | SPS TECHNOLOGIES, LLC | | AIC1653-7D18 | 06725 | SPS TECHNOLOGIES, LLC | | DF33003-7D18 | 17446 | HUCK INTERNATIONAL, INC | | DF33003-7D18 | 97928 | HUCK INTL INC | | MB209-7D18 | 73197 | HI-SHEAR CORPORATION | | MB209-7D18 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | PBF1420-7D18 | 27624 | SPS TECHNOLOGIES LLC | | SII1188-7D18 | 57928 | SONIC INDUSTRIES, INC. | | VCJ0001-7D18 | 06710 | VALLEY-TODECO, INC. | | VS3319-7D18 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3319-7D18 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | X409-7D18 | 97928 | HUCK INTL INC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.491 INCHES MINIMUM AND 1.511 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 1.609 INCHES MINIMUM AND 1.639 INCHES MAXIMUM | | GRIP DIAMETER | 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM | | GRIP LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM | | HEAD HEIGHT | 0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM | | HEAD MINOR DIAMETER | 0.708 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 | 0.437 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.111 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 DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.599 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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