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National Stock Number:
5306-01-393-0857
Federal Supply Class:
5306
National Item Identification Number:
013930857
Description:
BOLT,MACHINE
Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
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Manufacturer Information:
| 3M1263-6-25 | 76301 | THE BOEING COMPANY | | 93784-6-25 | 56878 | SPS TECHNOLOGIES, LLC | | PBF1626-6-25 | 27624 | SPS TECHNOLOGIES LLC |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 2.161 INCHES MINIMUM AND | | 2.191 INCHES MAXIMUM | | MATERIAL | COBALT COMP MP-35-N OVERALL | | THREAD LENGTH | 0.614 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5758 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 145000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.337 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.043 INCHES MINIMUM AND | | 0.050 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.696 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.054 INCHES NOMINAL | | GRIP LENGTH | 1.562 INCHES NOMINAL | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | 32.0 MICROINCHES FASTENER | | FEATURES PROVIDED | FINISHED HEAD |
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