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National Stock Number:
5306-01-607-2414
Federal Supply Class:
5306
National Item Identification Number:
016072414
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:
| 3M1275E3D27A | 06710 | VALLEY-TODECO, INC. | | 3M1275E3D27A | 06725 | SPS TECHNOLOGIES, LLC | | 3M1275E3D27A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M1275E3D27A | 0K6Z0 | SATURN FASTENERS INC | | 3M1275E3D27A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | | 3M1275E3D27A | 17446 | HUCK INTERNATIONAL, INC | | 3M1275E3D27A | 1EM77 | B & B SPECIALTIES INC | | 3M1275E3D27A | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 3M1275E3D27A | 27624 | SPS TECHNOLOGIES LLC | | 3M1275E3D27A | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | | 3M1275E3D27A | 56878 | SPS TECHNOLOGIES, LLC | | 3M1275E3D27A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 3M1275E3D27A | 59563 | REID PRODUCTS INC. | | 3M1275E3D27A | 60516 | WEST COAST AEROSPACE, INC. | | 3M1275E3D27A | 73197 | HI-SHEAR CORPORATION | | 3M1275E3D27A | 76301 | THE BOEING COMPANY | | 3M1275E3D27A | 80539 | SPS TECHNOLOGIES, LLC | | 3M1275E3D27A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M1275E3D27A | U6683 | LINREAD LTD DBA LINREAD NORTHBRIDGE |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 2.032 INCHES NOMINAL | | GRIP DIAMETER | 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM | | GRIP LENGTH | 1.677 INCHES MINIMUM AND 1.697 INCHES MAXIMUM | | HEAD DIAMETER | 0.3729 INCHES MINIMUM AND 0.3813 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | HOLE CONFIGURATION STYLE | ROUND INTERNAL TORX | | HOLE DIAMETER | 0.70 INCHES NOMINAL | | HOLE QUANTITY | 1 | | HOLE TYPE | DRILLED | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.345 INCHES NOMINAL | | THREAD QUANTITY PER INCH | A32 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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