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National Stock Number:
5306-01-381-6166
Federal Supply Class:
5306
National Item Identification Number:
013816166
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:
| MS20006-64 | 81205 | THE BOEING COMPANY | | MS20006-64 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.662 INCHES NOMINAL | | FASTENER LENGTH | 4.673 INCHES MINIMUM AND | | 4.703 INCHES MAXIMUM | | MATERIAL | STEEL COMP E4340 OR | | STEEL COMP 4140 OR | | STEEL COMP 8740 OR | | STEEL COMP 8735 OR | | STEEL COMP 6150 OVERALL | | SURFACE TREATMENT | CADMIUM OR | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM FASTENER | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | BEVEL-CONICAL | | HEAD DIAMETER | 0.520 INCHES NOMINAL | | HEAD HEIGHT | 0.375 INCHES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.3130 INCHES MINIMUM AND | | 0.3150 INCHES MAXIMUM | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 96906 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS20006-64 |
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