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National Stock Number:
5306-00-947-0305
Federal Supply Class:
5306
National Item Identification Number:
009470305
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:
| 490243 | 56878 | SPS TECHNOLOGIES, LLC | | 490243 | 77445 | RTX CORPORATION | | 490243 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.640 INCHES MINIMUM AND | | 0.660 INCHES MAXIMUM | | FASTENER LENGTH | 2.740 INCHES MINIMUM AND | | 2.760 INCHES MAXIMUM | | MATERIAL | STEEL COMP 8740 OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.320 INCHES MINIMUM AND | | 0.340 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.304 INCHES MINIMUM AND | | 0.313 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND | | 0.448 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND | | 0.070 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 2 | | HOLE DIAMETER | 0.063 INCHES NOMINAL | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.259 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 2.080 INCHES MINIMUM AND | | 2.120 INCHES MAXIMUM FIRST SHOULDER | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 77445 | | DESIGN CONTROL REFERENCE | 490243 |
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