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National Stock Number:
5306-00-490-5921
Federal Supply Class:
5306
National Item Identification Number:
004905921
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:
| 33064-9 | 55820 | RTX CORPORATION | | 33064-9 | 66195 | SOLAR TURBINES INCORPORATED |
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Techincal Specification:
| FASTENER LENGTH | 0.829 INCHES MINIMUM AND 0.859 INCHES MAXIMUM | | FEATURES PROVIDED | UNFINISHED HEAD | | GRIP LENGTH | 0.268 INCHES MINIMUM AND 0.313 INCHES MAXIMUM | | HEAD HEIGHT | 0.444 INCHES MINIMUM AND 0.606 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OR STEEL COMP 303SE OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SPECIAL FEATURES | GROOVE IN HEAD 0.090 IN. TO 0.150 IN. WIDE BY 0.520 IN. DIA AND 0.120 IN. TO 0.190 IN. FROM BEARING SURFACE OF HEAD | | WIDTH BETWEEN FLATS | 0.620 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.546 INCHES MINIMUM AND 0.561 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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