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National Stock Number:
5306-01-626-3857
Federal Supply Class:
5306
National Item Identification Number:
016263857
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:
| JSFB03V3-4 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 5790 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.2500 INCHES | | SPECIAL FEATURES | BOLT,100 DEGREE,FLUSH HEAD SIX-LOBE RECESS,LONG THREAD | | SPLINE MAJOR DIAMETER | 0.4241 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.472 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF | | FASTENER LENGTH | 0.668 INCHES NOMINAL | | HEAD HEIGHT | 0.133 INCHES NOMINAL | | HEAD DIAMETER | 0.471 INCHES MINIMUM AND 0.507 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | HOLE DIAMETER | 0.076 INCHES NOMINAL | | HOLE QUANTITY | 1 | | HOLE TYPE | DRILLED | | INTERNAL DRIVE STYLE | TORX | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 OR AMS 4967 MIL SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | TITANIUM OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,FLUSH HEAD |
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