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National Stock Number: 5306-00-223-7120
Federal Supply Class: 5306
National Item Identification Number: 002237120
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:
8031270 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNF | NOMINAL THREAD DIAMETER | 0.312 INCHES | THREAD QUANTITY PER INCH | 24 | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 1.094 INCHES MINIMUM AND | | 1.156 INCHES MAXIMUM | FASTENER LENGTH | 1.469 INCHES MINIMUM AND | | 1.531 INCHES MAXIMUM | MATERIAL | STEEL OVERALL | SURFACE TREATMENT | CADMIUM OVERALL | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | HARDNESS RATING | 40.0 ROCKWELL C NOMINAL OVERALL | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | HEAD DIAMETER | 0.406 INCHES MINIMUM AND | | 0.469 INCHES MAXIMUM | HEAD HEIGHT | 0.281 INCHES MINIMUM AND | | 0.344 INCHES MAXIMUM | INTERNAL DRIVE STYLE | HEXAGON | WIDTH ACROSS FLATS | 0.188 INCHES MINIMUM AND | | 0.250 INCHES MAXIMUM |
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