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National Stock Number:
5306-01-031-4843
Federal Supply Class:
5306
National Item Identification Number:
010314843
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:
| 365363-211 | 75333 | KINGSBURY INC. | | FF-S-86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 1.250 INCHES | | THREAD QUANTITY PER INCH | 7 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 3.214 INCHES MINIMUM AND | | 3.500 INCHES MAXIMUM | | FASTENER LENGTH | 3.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 150000 POUNDS PER SQUARE INCH | | HEAD DIAMETER | 1.852 INCHES MINIMUM AND | | 1.875 INCHES MAXIMUM | | HEAD HEIGHT | 1.236 INCHES MINIMUM AND | | 1.250 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.875 INCHES NOMINAL | | NONDEFINITIVE SPEC/STD DATA | 6 TYPE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-86 |
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