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National Stock Number:
5306-01-187-3914
Federal Supply Class:
5306
National Item Identification Number:
011873914
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:
| 623665 | 62983 | EATON AEROSPACE, LLC |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 1.349 INCHES NOMINAL | | MATERIAL | STEEL COMP 4140 OVERALL | | THREAD LENGTH | 0.974 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.3125 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 180000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.348 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.3750 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.521 INCHES MINIMUM AND | | 0.531 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.082 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 62983 | | DESIGN CONTROL REFERENCE | 623665 |
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