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National Stock Number: 5306-01-367-9273
Federal Supply Class: 5306
National Item Identification Number: 013679273
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:
NAS6209 | 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA | NAS6209-34 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
FASTENER LENGTH | 2.704 INCHES MINIMUM AND 2.734 INCHES MAXIMUM | GRIP DIAMETER | 0.5605 INCHES MINIMUM AND 0.5615 INCHES MAXIMUM | GRIP LENGTH | 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL | HEAD HEIGHT | 0.281 INCHES MINIMUM AND 0.296 INCHES MAXIMUM | HEAD STYLE | DISHED HEXAGON | LOCKING FEATURE | PATCH OR PELLET OR STRIP LOCKING FEATURE | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALLMIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE FASTENER | MATERIAL | STEEL COMP 4340 OR STEEL COMP 8740 OVERALLPLASTIC POLYAMIDE (NYLON) LOCKING FEATURESTEEL COMP 4340 OR STEEL COMP 8740 FASTENER | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | NOMINAL THREAD DIAMETER | 0.562 INCHES | SPECIFICATION/STANDARD DATA | 80205-NAS6209 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | WIDTH BETWEEN FLATS | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALLCADMIUM AND CHROMATE FASTENER | THREAD DIRECTION | RIGHT-HAND | THREAD CLASS | 3A | THREAD LENGTH | 0.594 INCHES NOMINAL | THREAD SERIES DESIGNATOR | UNJF | THREAD QUANTITY PER INCH | 18 |
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