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National Stock Number:
5306-01-372-6442
Federal Supply Class:
5306
National Item Identification Number:
013726442
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:
| 20-057-12-48DD | 06725 | SPS TECHNOLOGIES, LLC | | 20-057-12-48DD | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 20-057-12-48DD | 0K6Z0 | SATURN FASTENERS INC | | 20-057-12-48DD | 27624 | SPS TECHNOLOGIES LLC | | 20-057-12-48DD | 56878 | SPS TECHNOLOGIES, LLC | | 20-057-12-48DD | 64728 | AEROSPACE RIVET MFRS CORP | | 20-057-12-48DD | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.749 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.252 INCHES MAXIMUM | | FASTENER LENGTH | 0.250 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-7838 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.375 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.058 INCHES NOMINAL | | GRIP LENGTH | 1.093 INCHES NOMINAL | | GRIP DIAMETER | 0.759 INCHES MAXIMUM | | SPECIAL FEATURES | 160,000-180,000 PSI ULTIMATE TENSILE STRENGTH PER MIL-H-6875 ROCKWELL HARDNESS: C36-C40; SHANK IS CROSS-DRILLED | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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