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National Stock Number:
5306-01-367-9272
Federal Supply Class:
5306
National Item Identification Number:
013679272
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:
| NAS6210-52 | 06725 | SPS TECHNOLOGIES, LLC | | NAS6210-52 | 0E0Z8 | AEROSPACE MANUFACTURING CORPORATION | | NAS6210-52 | 56878 | SPS TECHNOLOGIES, LLC | | NAS6210-52 | 59784 | A R MACHINE INC | | NAS6210-52 | 5N116 | QUALITY SOCKET SCREW MANUFACTURING CORP | | NAS6210-52 | 76826 | NORTHWEST AUTOMATIC PRODUCTS INC SUB OF DOLA INTERNATIONAL CORP | | NAS6210-52 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | NAS6210-52 | 80539 | SPS TECHNOLOGIES, LLC | | NAS6210-52 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER | | NAS6210-52 | 9S874 | LEE AEROSPACE PRODUCTS, INC. |
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Techincal Specification:
| FASTENER LENGTH | 3.736 INCHES MINIMUM AND 3.766 INCHES MAXIMUM | | GRIP DIAMETER | 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM | | GRIP LENGTH | 3.240 INCHES MINIMUM AND 3.260 INCHES MAXIMUM | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.312 INCHES MINIMUM AND 0.327 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 | 0.625 INCHES | | SPECIFICATION/STANDARD DATA | 80205-NAS6210 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | WIDTH BETWEEN FLATS | 0.928 INCHES MINIMUM AND 0.940 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 | 0.626 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 18 |
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