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National Stock Number:
5306-01-609-3758
Federal Supply Class:
5306
National Item Identification Number:
016093758
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:
| 125083-4NL11 | 56878 | SPS TECHNOLOGIES, LLC | | 125083-4NL11 | 80539 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.412 INCHES NOMINAL | | FASTENER LENGTH | 1.0995 INCHES NOMINAL | | MATERIAL | IRON ALLOY 660 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5853 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 FED STD SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.290 INCHES MINIMUM AND | | 0.310 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.347 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.433 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.059 INCHES MINIMUM AND | | 0.079 INCHES MAXIMUM | | GRIP LENGTH | 0.6875 INCHES NOMINAL | | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND | | 0.2495 INCHES MAXIMUM | | SPECIAL FEATURES | FLUORESCENT PENETRANT INSPECT PER ASTM E 1417 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, EXTERNAL WRENCHING |
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