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National Stock Number:
5306-01-221-8689
Federal Supply Class:
5306
National Item Identification Number:
012218689
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:
| SS5211-101421 | 4GP55 | ACUFAST AIRCRAFT PRODUCTS | | SS5211-101421 | 56878 | SPS TECHNOLOGIES, LLC | | SS5211-101421 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | SS5211-101421 | 84256 | AVIBANK MFG., INC. | | SS5211-101421 | 84258 | AVON ELECTRICAL SUPPLIES INC | | SS5211-101421 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | SS5211-10H21 | 06725 | SPS TECHNOLOGIES, LLC | | SS5211-10H21 | 0UCY9 | M.S. AEROSPACE INC. | | SS5211-10H21 | 1RC86 | HOWMET GLOBAL FASTENING SYSTEMS INC | | SS5211-10H21 | 27624 | SPS TECHNOLOGIES LLC | | SS5211-10H21 | 56878 | SPS TECHNOLOGIES, LLC | | SS5211-10H21 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | SS5211-10H21 | 84256 | AVIBANK MFG., INC. | | SS5211-10H21 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM | | FASTENER LENGTH | 2.280 INCHES MINIMUM AND 2.312 INCHES MAXIMUM | | FEATURES PROVIDED | CASEHARDENED | | GRIP DIAMETER | 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM | | GRIP LENGTH | 1.312 INCHES MINIMUM AND 1.322 INCHES MAXIMUM | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HOLE DIAMETER | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | | HOLE QUANTITY | 4 | | HOLE TYPE | DRILLED | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4340 OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | THREAD LENGTH | 0.958 INCHES MINIMUM AND 1.000 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNJF | | WIDTH BETWEEN FLATS | 0.6875 INCHES NOMINAL | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2401-3 ASSN STD 1ST TREATMENT RESPONSE OVERALL AND QQ-P-416,TY 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A |
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