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National Stock Number:
5306-01-572-6650
Federal Supply Class:
5306
National Item Identification Number:
015726650
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:
| NAS144DH26R | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.475 INCHES MINIMUM AND | | 0.525 INCHES MAXIMUM | | FASTENER LENGTH | 1.610 INCHES MINIMUM AND | | 1.640 INCHES MAXIMUM | | MATERIAL | STEEL COMP 4140 OR | | STEEL COMP 4340 OR | | STEEL COMP 6150 OR | | STEEL COMP 8735 OR | | STEEL COMP 8740 OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 2. CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | HEAD STYLE | BEVEL-CONICAL | | HEAD DIAMETER | 0.381 INCHES NOMINAL | | HEAD HEIGHT | 0.226 INCHES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.219 INCHES MINIMUM AND | | 0.221 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | ROUND | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 6 | | HOLE DIAMETER | 0.046 INCHES MINIMUM AND | | 0.051 INCHES MAXIMUM | | SPECIAL FEATURES | THREADS HAVE BEEN ROLLED AFTER HEAT TREAT |
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