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National Stock Number:
5306-00-151-5691
Federal Supply Class:
5306
National Item Identification Number:
001515691
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:
| EWSB22-9A25 | 56878 | SPS TECHNOLOGIES, LLC | | EWSB22-9A25 | 80539 | SPS TECHNOLOGIES, LLC | | GB511B9-25 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | VS2521-9F25 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS2521F9-25 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.562 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.564 INCHES MINIMUM AND | | 0.631 INCHES MAXIMUM | | FASTENER LENGTH | 2.136 INCHES MINIMUM AND | | 2.183 INCHES MAXIMUM | | MATERIAL | STEEL OR | | STEEL COMP H11 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | SPS-M-107 FSCM 56878 MFR REF 1ST MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND | | 50.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON | | HEAD HEIGHT | 0.318 INCHES MINIMUM AND | | 0.338 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.865 INCHES MINIMUM AND | | 0.877 INCHES MAXIMUM | | GRIP LENGTH | 1.552 INCHES MINIMUM AND | | 1.572 INCHES MAXIMUM | | GRIP DIAMETER | 0.5607 INCHES MINIMUM AND | | 0.5616 INCHES MAXIMUM | | SPECIFICATION/STANDARD DATA | 26512-6B511B MANUFACTURERS STANDARD | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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