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National Stock Number:
5306-01-067-8528
Federal Supply Class:
5306
National Item Identification Number:
010678528
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:
| EWBM-26-8-34 | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.940 INCHES MINIMUM AND 0.950 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.098 INCHES NOMINAL | | FASTENER LENGTH | 3.036 INCHES MINIMUM AND 3.066 INCHES MAXIMUM | | GRIP DIAMETER | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM | | GRIP LENGTH | 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM | | HEAD HEIGHT | 0.530 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | MATERIAL DOCUMENT AND CLASSIFICATION | SPS-M-573 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COBALT COMP MP-35-N OVERALL | | MINIMUM TENSILE STRENGTH | 260000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 145000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | NONSTANDARD THREAD PITCH DIAMETER | +0.4612 TO 0.4644 INCHES | | SPECIAL FEATURES | ASYMMETRIC THREADS | | WIDTH BETWEEN FLATS | 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.926 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNS | | THREAD QUANTITY PER INCH | 20 |
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