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National Stock Number:
5306-01-173-5034
Federal Supply Class:
5306
National Item Identification Number:
011735034
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:
| 9512M23P01 | 03350 | GENERAL ELECTRIC COMPANY DBA GE STRUCTURED SERVICES DIV GENERAL ELECTRIC STRUCTURED SERVICES LP | | 9512M23P01 | 07482 | GENERAL ELECTRIC COMPANY | | 9512M23P01 | 0UCY9 | M.S. AEROSPACE INC. | | 9512M23P01 | 4GP55 | ACUFAST AIRCRAFT PRODUCTS | | 9512M23P01 | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM | | FASTENER LENGTH | 1.112 INCHES MINIMUM AND 1.132 INCHES MAXIMUM | | GRIP LENGTH | 0.292 INCHES MINIMUM AND 0.302 INCHES MAXIMUM | | GRIP DIAMETER | 0.374 INCHES NOMINAL | | HEAD HEIGHT | 0.410 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | MATERIAL | COBALT COMP MP-35-N OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SPECIAL FEATURES | THREAD MODIFIED MAJOR DIA 0.3678/0.3730;MIN ENERGY ABSORPTION 240 FT/LB;MIN TEST VELOCITY 16.5 FT/SEC | | WIDTH BETWEEN FLATS | 0.438 INCHES NOMINAL | | SURFACE FINISH | 250.0 MICROINCHES POINT | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.825 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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