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National Stock Number:
5306-01-614-6386
Federal Supply Class:
5306
National Item Identification Number:
016146386
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:
| 3M1277E3D22A | 06725 | SPS TECHNOLOGIES, LLC | | 3M1277E3D22A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M1277E3D22A | 1EM77 | B & B SPECIALTIES INC | | 3M1277E3D22A | 27624 | SPS TECHNOLOGIES LLC | | 3M1277E3D22A | 56878 | SPS TECHNOLOGIES, LLC | | 3M1277E3D22A | 73197 | HI-SHEAR CORPORATION | | TX1027E 3D22 | 06725 | SPS TECHNOLOGIES, LLC | | TX1027E 3D22 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | TX1027E 3D22 | 27624 | SPS TECHNOLOGIES LLC | | TX1027E 3D22 | 56878 | SPS TECHNOLOGIES, LLC | | TX1027E 3D22 | 73197 | HI-SHEAR CORPORATION | | 3M1277E3D22A | 76301 | THE BOEING COMPANY | | 3M1277E3D22A | 80539 | SPS TECHNOLOGIES, LLC | | TX1027E 3D22 | 80539 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.614 INCHES NOMINAL ALL HOLES | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.705 INCHES MINIMUM AND 1.735 INCHES MAXIMUM | | GRIP DIAMETER | 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM | | GRIP LENGTH | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM | | HEAD DIAMETER | 0.2931 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | NOMINAL THREAD DIAMETER | 0.1900 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM ALL HOLES | | SPECIAL FEATURES | HAS A TORX INTERNAL DRIVE STYLE. | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-L-87132, TYPE 1, GRADE B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.335 INCHES MINIMUM AND 0.355 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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