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National Stock Number:
5306-01-587-3001
Federal Supply Class:
5306
National Item Identification Number:
015873001
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:
| NA0036-110024 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| FASTENER LENGTH | 38.5 MILLIMETERS NOMINAL | | GRIP DIAMETER | 10.9 MILLIMETERS MINIMUM AND 11.0 MILLIMETERS MAXIMUM | | GRIP LENGTH | 24.0 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 4.7 MILLIMETERS MINIMUM AND 5.0 MILLIMETERS MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, CLOSE TOLERANCE, HEXAGON HEAD, ALLOY STEEL, 1100 MPA, METRIC | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP E4340 OR STEEL COMP 8740 OVERALL | | MINIMUM TENSILE STRENGTH | 1100 MEGAPASCALS | | NOMINAL THREAD DIAMETER | 10.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 16.7 MILLIMETERS MINIMUM AND 17.0 MILLIMETERS MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 14.5 MILLIMETERS NOMINAL | | THREAD PITCH IN MILLIMETERS | 1.3 | | THREAD SERIES DESIGNATOR | MJ |
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