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National Stock Number: 5306-00-497-7424
Federal Supply Class: 5306
National Item Identification Number: 004977424
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:
20097-92C4B | 56878 | SPS TECHNOLOGIES, LLC |
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Techincal Specification:
FASTENER LENGTH | 0.250 INCHES NOMINAL | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL | HEAD DIAMETER | 0.134 INCHES MINIMUM AND 0.140 INCHES MAXIMUM | HEAD HEIGHT | 0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM | INTERNAL DRIVE STYLE | HEXAGON | MATERIAL | STEEL OVERALL | MINIMUM TENSILE STRENGTH | 195000 POUNDS PER SQUARE INCH | MINIMUM YIELD STRENGTH | 175000 POUNDS PER SQUARE INCH | NOMINAL THREAD DIAMETER | 0.086 INCHES | WIDTH ACROSS FLATS | 0.078 INCHES NOMINAL | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.214 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | THREAD QUANTITY PER INCH | 56 | THREAD SERIES DESIGNATOR | UNC |
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