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National Stock Number:
5306-01-238-4497
Federal Supply Class:
5306
National Item Identification Number:
012384497
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:
| BACB30ST7-32 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | BACB30ST7-32 | 56878 | SPS TECHNOLOGIES, LLC | | BACB30ST7-32 | 77272 | THE BOEING COMPANY | | BACB30ST7-32 | 80539 | SPS TECHNOLOGIES, LLC | | BACB30ST7-32 | 81205 | THE BOEING COMPANY | | BACB30ST7-32 | 84256 | AVIBANK MFG., INC. | | BACB30ST7-32 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| FASTENER LENGTH | 2.863 INCHES MINIMUM AND 2.893 INCHES MAXIMUM | | GRIP DIAMETER | 0.4363 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM | | GRIP LENGTH | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM | | HARDNESS RATING | 48.0 ROCKWELL C MINIMUM SPRING35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM STAND-OFF | | HEAD HEIGHT | 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM | | HEAD STYLE | DISHED HEXAGON | | LOCKING FEATURE | RETAINER THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE SPRINGAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFFMIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 5TH MATERIAL RESPONSE FASTENER | | MATERIAL | STEEL COMP 631 SPRINGSTEEL COMP 630 STAND-OFFSTEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 FASTENER | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.437 INCHES | | SPECIAL FEATURES | ALL OTHER COMPONENTS PASSIVATED PER QQ-P-35; PINS AND PLUG CRES 303 COND A OR B PER ASTM A581; POINT DIA 0.369-0.372,0.402-0.412 LG | | WIDTH BETWEEN FLATS | 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRINGQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFFQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER | | SURFACE TREATMENT | PASSIVATE SPRINGPASSIVATE STAND-OFFCADMIUM AND CHROMATE FASTENER | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.878 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNJF |
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