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National Stock Number:
5306-01-303-2421
Federal Supply Class:
5306
National Item Identification Number:
013032421
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:
| NAS565C27 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| NOMINAL THREAD DIAMETER | 0.3125 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | GRIP LENGTH | 0.030 INCHES MINIMUM AND 0.060 INCHES MAXIMUM | | FASTENER LENGTH | 0.828 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD LENGTH | 0.769 INCHES MINIMUM AND 0.799 INCHES MAXIMUM | | HEAD HEIGHT | 0.281 INCHES NOMINAL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | HEXAGON | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | IRON ALLOY 660 OVERALL | | MINIMUM TENSILE STRENGTH | 9260 POUNDS PER SQUARE INCH | | SPECIFICATION/STANDARD DATA | 80205-NAS565 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | THREAD SERIES DESIGNATOR | UNJF | | GRIP DIAMETER | 0.484 INCHES NOMINAL | | SURFACE TREATMENT | PASSIVATE OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
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