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National Stock Number:
5306-00-130-7655
Federal Supply Class:
5306
National Item Identification Number:
001307655
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:
| NAS1272H4 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.072 INCHES MINIMUM AND 0.092 INCHES MAXIMUM | | FASTENER LENGTH | 0.807 INCHES MINIMUM AND 0.837 INCHES MAXIMUM | | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | GRIP LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | HEAD HEIGHT | 0.338 INCHES MINIMUM AND 0.358 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HOLE CONFIGURATION STYLE | ROUND | | HOLE DIAMETER | 0.055 INCHES NOMINAL | | HOLE QUANTITY | 4 | | HOLE TYPE | DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | NAS 621 COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH BETWEEN FLATS | 0.368 INCHES MINIMUM AND 0.377 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.547 INCHES MINIMUM AND 0.597 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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