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National Stock Number:
5306-00-298-2997
Federal Supply Class:
5306
National Item Identification Number:
002982997
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:
| 252773 | 77445 | RTX CORPORATION |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 0.490 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | THREAD LENGTH | 0.490 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | NONSTANDARD THREAD PITCH DIAMETER | 0.2213 TO 0.2238 INCHES | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | SILVER THREADS | | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND | | 38.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.272 INCHES MINIMUM AND | | 0.292 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND | | 0.315 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND | | 0.448 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM | | FEATURES PROVIDED | FINISHED HEAD | | PRECIOUS MATERIAL | SILVER | | SPECIAL FEATURES | FOUR DRILLED HOLES | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 77445 | | DESIGN CONTROL REFERENCE | 252773 |
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