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National Stock Number:
5306-01-444-0592
Federal Supply Class:
5306
National Item Identification Number:
014440592
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:
| HS4243V10-103 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | HS4243V10-103 | 06725 | SPS TECHNOLOGIES, LLC | | HS4243V10-103 | 0HL40 | MECAIR AEROSPACE INDUSTRIES SUBSIDIARY OF SPS TECHNOLOGIES DIV D SPS TECHNOLOGIES DBA MECAIR INC. | | HS4243V10-103 | 16258 | SPACE-LOK, INC. | | HS4243V10-103 | 56878 | SPS TECHNOLOGIES, LLC | | HS4243V10-103 | 57928 | SONIC INDUSTRIES, INC. | | PBF1446V10-103 | 27624 | SPS TECHNOLOGIES LLC | | SII1263V10-103 | 57928 | SONIC INDUSTRIES, INC. | | HS4243V10-103 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 7.402 INCHES NOMINAL LOCKING FEATURE | | EXTENDED WASHER DIAMETER | 1.045 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.150 INCHES NOMINAL | | FASTENER LENGTH | 7.590 INCHES NOMINAL | | GRIP DIAMETER | 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM | | GRIP LENGTH | 6.438 INCHES NOMINAL | | HEAD HEIGHT | 0.615 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | HOLE DIAMETER | 0.141 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5758 ASSN STD ALL MATERIAL RESPONSES OR AMS5844 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | COBALT COMP MP-35-N OVERALL | | MINIMUM TENSILE STRENGTH | 70800 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 7.402 INCHES NOMINAL LOCKING FEATURE | | WIDTH BETWEEN FLATS | 0.755 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.152 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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