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National Stock Number:
5306-00-149-9706
Federal Supply Class:
5306
National Item Identification Number:
001499706
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:
| 94995 | 00198 | PRATT & WHITNEY CANADA CORP | | 94995 | 77445 | RTX CORPORATION |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 1.270 INCHES NOMINAL | | MATERIAL | STEEL COMP 8735 OVERALL | | THREAD LENGTH | 0.550 INCHES MINIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6320 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD HEIGHT | 0.260 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.625 INCHES NOMINAL | | GRIP LENGTH | 0.720 INCHES NOMINAL | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.140 INCHES NOMINAL FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.109 INCHES NOMINAL FIRST HOLE | | FEATURES PROVIDED | FINISHED HEAD | | SPECIAL FEATURES | 0.4380 IN. MIN,0.4385 IN. MAX GRIP DIA AND MAGNETIC INSPECTION REQUIRED |
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