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National Stock Number:
5306-00-871-8276
Federal Supply Class:
5306
National Item Identification Number:
008718276
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:
| 99-4442-05 | 03350 | GENERAL ELECTRIC COMPANY DBA GE STRUCTURED SERVICES DIV GENERAL ELECTRIC STRUCTURED SERVICES LP | | 99-4442-05 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC | | 99-4442-05 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 0.615 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | MATERIAL | STEEL COMP 302 OVERALL | | THREAD LENGTH | 0.544 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5637 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD HEIGHT | 0.240 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | HEXAGON LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 6 | | HOLE DIAMETER | 0.070 INCHES NOMINAL | | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD | | FEATURES PROVIDED | FINISHED HEAD | | SPECIAL FEATURES | 0.188 IN. DIA BY 0.170 IN. DEEP HOLE IN HEAD ALONG CONCENTRIC AXIS |
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