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National Stock Number:
5306-01-190-9073
Federal Supply Class:
5306
National Item Identification Number:
011909073
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:
| L1600202-003 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 2.560 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | THREAD LENGTH | 0.340 INCHES NOMINAL | | HEAD STYLE | ROUND W/WRENCH FLATS | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.3750 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | HARDNESS RATING | 42.0 ROCKWELL C MINIMUM AND | | 46.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 1.300 INCHES NOMINAL | | HEAD HEIGHT | 0.250 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.930 INCHES MINIMUM AND | | 0.950 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 43999 | | DESIGN CONTROL REFERENCE | L1600202-003 |
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