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National Stock Number:
5306-01-510-2046
Federal Supply Class:
5306
National Item Identification Number:
015102046
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:
| HS170-6-22 | 8V613 | THE BOEING COMPANY | | HS6051-6-22 | 8V613 | THE BOEING COMPANY | | SLB361-6-22 | 16258 | SPACE-LOK, INC. | | HS6170-6-22 | 48T42 | THE BOEING COMPANY | | HS6170-6-22 | 4GP55 | ACUFAST AIRCRAFT PRODUCTS | | HS6170-6-22 | 8V613 | THE BOEING COMPANY | | SLB732-6-22 | 16258 | SPACE-LOK, INC. |
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Techincal Specification:
| FASTENER LENGTH | 2.375 INCHES NOMINAL | | GRIP LENGTH | 1.315 INCHES MINIMUM AND 1.375 INCHES MAXIMUM | | GRIP DIAMETER | 0.343 INCHES MINIMUM AND 0.353 INCHES MAXIMUM | | HEAD HEIGHT | 0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS6514 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6532 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 280000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837, TYII, CL2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 1.000 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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