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National Stock Number:
5306-00-298-5040
Federal Supply Class:
5306
National Item Identification Number:
002985040
Description:
BOLT,INTERNAL WRENCHING
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.
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Manufacturer Information:
| 725186 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| FASTENER LENGTH | 3.798 INCHES MINIMUM AND 3.828 INCHES MAXIMUM | | HARDNESS RATING | 43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | HEAD HEIGHT | 0.343 INCHES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 200000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNF | | THREAD QUANTITY PER INCH | 24 | | WIDTH ACROSS FLATS | 0.376 INCHES MINIMUM AND 0.379 INCHES MAXIMUM |
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