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National Stock Number:
5306-00-323-4918
Federal Supply Class:
5306
National Item Identification Number:
003234918
Description:
BOLT,SHOULDER
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.
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Manufacturer Information:
| S1665-20055 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| SHOULDER LENGTH | 0.415 INCHES MINIMUM AND | | 0.419 INCHES MAXIMUM FIRST SHOULDER | | 0.376 INCHES MINIMUM AND | | 0.380 INCHES MAXIMUM SECOND SHOULDER | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | S1665-20055 | | THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.551 INCHES MINIMUM | | FASTENER LENGTH | 1.346 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OVERALL | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | HEAD STYLE | ROUND W/WRENCH FLATS | | HEAD DIAMETER | 0.750 INCHES NOMINAL | | HEAD HEIGHT | 0.060 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.660 INCHES NOMINAL | | SHOULDER SHAPE | ROUND ALL SHOULDERS | | SHOULDER DIAMETER | 0.5012 INCHES MINIMUM AND | | 0.5015 INCHES MAXIMUM FIRST SHOULDER | | 0.3740 INCHES MINIMUM AND | | 0.3744 INCHES MAXIMUM SECOND SHOULDER |
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