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National Stock Number:
5306-01-219-9120
Federal Supply Class:
5306
National Item Identification Number:
012199120
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:
| 11841-5-17-66 | 59563 | REID PRODUCTS INC. | | 3M1043-5-17-66 | 06710 | VALLEY-TODECO, INC. | | 3M1043-5-17-66 | 06725 | SPS TECHNOLOGIES, LLC | | 3M1043-5-17-66 | 73197 | HI-SHEAR CORPORATION | | 3M1043-5-17-66 | 76301 | THE BOEING COMPANY | | 3M1043-5-17-66 | 80539 | SPS TECHNOLOGIES, LLC | | 3M1043-5-17-66 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 3M1043-5-17-66 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM | | FASTENER LENGTH | 1.598 INCHES MINIMUM AND 1.628 INCHES MAXIMUM | | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | GRIP LENGTH | 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM | | HEAD HEIGHT | 0.247 INCHES MINIMUM AND 0.287 INCHES MAXIMUM | | HEAD STYLE | SPLINE EXTENDED WASHER | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SPECIAL FEATURES | THD HOLE IN TOP OF HEAD 0.138-32 UNJC-3B THD; INJECTION PORT 0.120 IN. LG,0.060 IN. WIDE IN UNTHD SHANK; DISTANCE FROM HEAD TO BEGINNING OF INJECTION PORT 0.660 IN. | | WIDTH BETWEEN FLATS | 0.383 INCHES MINIMUM AND 0.389 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.526 INCHES MINIMUM AND 0.576 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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