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National Stock Number:
5306-01-439-3466
Federal Supply Class:
5306
National Item Identification Number:
014393466
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:
| 11701A14U064 | 59563 | REID PRODUCTS INC. | | STSBG001A14U064 | 06710 | VALLEY-TODECO, INC. | | STSBG001A14U064 | 06725 | SPS TECHNOLOGIES, LLC | | STSBG001A14U064 | 56878 | SPS TECHNOLOGIES, LLC | | STSBG001A14U064 | 57928 | SONIC INDUSTRIES, INC. | | STSBG001A14U064 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.875 INCHES | | THREAD QUANTITY PER INCH | 14 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.270 INCHES NOMINAL | | FASTENER LENGTH | 5.270 INCHES NOMINAL | | MATERIAL | STEEL COMP H11 OVERALL | | SURFACE TREATMENT | CHROMATE AND | | CADMIUM AND | | NICKEL OVERALL | | MINIMUM TENSILE STRENGTH | 156000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON | | HEAD HEIGHT | 0.468 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.239 INCHES MINIMUM AND | | 1.252 INCHES MAXIMUM | | GRIP LENGTH | 4.000 INCHES NOMINAL | | GRIP DIAMETER | 1.218 INCHES MINIMUM AND | | 1.252 INCHES MAXIMUM | | FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT | | SPECIAL FEATURES | LIBRICATED WITH CETYL ALCOHOL |
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