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National Stock Number: 5306-01-145-8612
Federal Supply Class: 5306
National Item Identification Number: 011458612
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:
C31SME10520-49 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNRF | NOMINAL THREAD DIAMETER | 0.190 INCHES | THREAD QUANTITY PER INCH | 32 | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.750 INCHES NOMINAL | FASTENER LENGTH | 1.125 INCHES NOMINAL | MATERIAL | STEEL CORROSION RESISTING OVERALL | HEAD STYLE | FLAT CHAMFER | HEAD DIAMETER | 0.303 INCHES MINIMUM AND | | 0.312 INCHES MAXIMUM | HEAD HEIGHT | 0.185 INCHES MINIMUM AND | | 0.190 INCHES MAXIMUM | INTERNAL DRIVE STYLE | HEXAGON | WIDTH ACROSS FLATS | 0.156 INCHES MINIMUM AND | | 0.159 INCHES MAXIMUM | THE MANUFACTURERS DATA | | MANUFACTURERS CODE | 26512 | DESIGN CONTROL REFERENCE | C31SME10520-49 |
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