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National Stock Number:
5306-14-292-4919
Federal Supply Class:
5306
National Item Identification Number:
142924919
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:
| 22201BC050012L | F0074 | BOMAP STE DE BOULONNERIE ET DE MATRICAGE DE PRECISION SA | | 22201BC050012L | F0111 | BUREAU NORMALISATION AERONAUTIQUEESPACE | | 22201BC050012L | F0188 | BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE | | 22201BC050012L | F0236 | SAINT CHAMOND GRANAT SA | | 22201BC050012L | F0434 | ALIGN AEROSPACE FRANCE SAS | | 22201BC050012L | F3669 | DELTA METAL | | 22201BC050012L | F4871 | LEFEBVRE STE DES ANCIENS ETS PAUL SA | | L21215-036-012-DCJ | F0111 | BUREAU NORMALISATION AERONAUTIQUEESPACE | | L22201-50-12BCL | F0074 | BOMAP STE DE BOULONNERIE ET DE MATRICAGE DE PRECISION SA | | L22201-50-12BCL | F0111 | BUREAU NORMALISATION AERONAUTIQUEESPACE | | L22201-50-12BCL | F0188 | BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE | | L22201-50-12BCL | F0236 | SAINT CHAMOND GRANAT SA | | L22201-50-12BCL | F0434 | ALIGN AEROSPACE FRANCE SAS | | L22201-50-12BCL | F3669 | DELTA METAL | | L22201-50-12BCL | F4871 | LEFEBVRE STE DES ANCIENS ETS PAUL SA | | L22201-50-12BCL | KCF40 | ANIXTER LTD |
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Techincal Specification:
| MINIMUM YIELD STRENGTH | 740 MEGAPASCALS | | NOMINAL THREAD DIAMETER | 5.0 MILLIMETERS | | WIDTH BETWEEN FLATS | 8.0 MILLIMETERS NOMINAL | | SURFACE FINISH | 0.8 MICROMETERS BEARING SURFACE OF HEAD | | SURFACE FINISH | 0.8 MICROMETERS GRIP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NF L 09-753 CODE L NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL | | TEST DATA DOCUMENT | F3025-AIR 9173 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 8.5 MILLIMETERS NOMINAL | | THREAD SERIES DESIGNATOR | ISO M | | THREAD PITCH IN MILLIMETERS | 0.8 | | EXTERNAL THREAD TOLERANCE CLASS | 4H | | FASTENER LENGTH | 20.5 MILLIMETERS NOMINAL | | GRIP DIAMETER | 4.978 MILLIMETERS MINIMUM AND 4.990 MILLIMETERS MAXIMUM | | GRIP LENGTH | 12.0 MILLIMETERS NOMINAL | | HEAD HEIGHT | 2.8 MILLIMETERS NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | F3025 AIR 9160C MIL STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 35NC6 OVERALL | | MINIMUM TENSILE STRENGTH | 880 MEGAPASCALS |
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