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National Stock Number:
5306-00-144-6546
Federal Supply Class:
5306
National Item Identification Number:
001446546
Description:
BOLT,SHEAR
Detail:
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. 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. The unthreaded portion is of specific 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. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.
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Manufacturer Information:
| A51G10619-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51G10619-11 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51G10619-11 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 6.020 INCHES NOMINAL FIRST HOLE | | FASTENER LENGTH | 6.220 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP DIAMETER | 0.4350 INCHES MINIMUM AND 0.4356 INCHES MAXIMUM | | GRIP LENGTH | 5.720 INCHES NOMINAL | | HARDNESS RATING | 53.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.207 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 280000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM FIRST HOLE | | WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837 TYPE 2 CL 1 FED SPEC ALL TREATMENT RESPONSES OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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