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National Stock Number:
5306-01-527-2205
Federal Supply Class:
5306
National Item Identification Number:
015272205
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:
| 109453-10D40 | 0PTK6 | SPS TECHNOLOGIES INC | | 109453-10D40 | 56878 | SPS TECHNOLOGIES, LLC | | A1C753-10D40 | 06725 | SPS TECHNOLOGIES, LLC | | BM17019-10D40 | 17446 | HUCK INTERNATIONAL, INC | | FIT7047-10D40 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 109453-10D40 | 80539 | SPS TECHNOLOGIES, LLC | | VAL23029-10D40 | 06710 | VALLEY-TODECO, INC. | | VS3204-10D40 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | GS1016-10D40 | 1EM77 | B & B SPECIALTIES INC | | PBF125310D40 | 27624 | SPS TECHNOLOGIES LLC | | S11-1060-10D40 | 57928 | SONIC INDUSTRIES, INC. | | MB61-10D40 | 73197 | HI-SHEAR CORPORATION | | ST3M453-10D40 | 76301 | THE BOEING COMPANY | | MB61-10D40 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | AGAV | | FASTENER LENGTH | 3.261 INCHES MINIMUM AND 3.308 INCHES MAXIMUM | | GRIP DIAMETER | 0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM | | GRIP LENGTH | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM | | HEAD HEIGHT | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,CLOSE TOLERANCE,DOUBLE HEX HEAD,CRES | | NOMINAL THREAD DIAMETER | 0.6250 INCHES | | SPECIAL FEATURES | FOR USE WITH ST3M436-() SERIES NUTS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.777 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) | | THREAD QUANTITY PER INCH | 18 | | WIDTH BETWEEN FLATS | 0.940 INCHES MAXIMUM |
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