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National Stock Number:
5306-01-312-4949
Federal Supply Class:
5306
National Item Identification Number:
013124949
Description:
BOLT,MACHINE
Detail:
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. 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. The unthreaded portion is of specific 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. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.
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Manufacturer Information:
| NAS564C67 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 2.078 INCHES MINIMUM AND | | 2.125 INCHES MAXIMUM | | MATERIAL | IRON ALLOY 660 OVERALL | | THREAD LENGTH | 2.018 INCHES MINIMUM AND | | 2.095 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.219 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND | | 0.440 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | HEXAGON FLATS | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 6 | | HOLE DIAMETER | 0.070 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM | | GRIP LENGTH | 0.030 INCHES MINIMUM AND | | 0.060 INCHES MAXIMUM | | GRIP DIAMETER | 0.2243 INCHES MINIMUM AND | | 0.2500 INCHES MAXIMUM | | SPECIFICATION/STANDARD DATA | 80205-NAS564 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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