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National Stock Number:
5306-01-485-6518
Federal Supply Class:
5306
National Item Identification Number:
014856518
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:
| AN173THRUAN186-7 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN174-60 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| FASTENER LENGTH | 6.015 INCHES MINIMUM AND 6.062 INCHES MAXIMUM | | GRIP LENGTH | 5.562 INCHES NOMINAL | | HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT-MACHINE, CLOSE TOLERANCE, AIRCRAFT | | MATERIAL | STEEL OVERALL | | MINIMUM YIELD STRENGTH | 3130 POUNDS PER SQUARE INCH | | MINIMUM TENSILE STRENGTH | 4080 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.2487 INCHES | | WIDTH BETWEEN FLATS | 0.510 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | FINE | | THREAD LENGTH | 0.469 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 28 |
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