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National Stock Number:
5306-00-514-8109
Federal Supply Class:
5306
National Item Identification Number:
005148109
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:
| 5306H34-009-7 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND | | S1610-21171-6 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 3.370 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | THREAD LENGTH | 0.835 INCHES MINIMUM | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-7838A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM YIELD STRENGTH | 180000 POUNDS PER SQUARE INCH | | HEAD HEIGHT | 0.325 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.576 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.745 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 0.055 INCHES NOMINAL | | GRIP LENGTH | 2.535 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81996 | | DESIGN CONTROL REFERENCE | 5306H34-009-7 |
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