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National Stock Number:
5306-00-638-6739
Federal Supply Class:
5306
National Item Identification Number:
006386739
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:
| 272-4900779 | 38597 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.415 INCHES MINIMUM AND 2.425 INCHES MAXIMUM FIRST HOLE | | FASTENER LENGTH | 2.564 INCHES NOMINAL | | HEAD HEIGHT | 0.186 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL | STEEL COMP 4130 OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES NOMINAL FIRST HOLE | | SHOULDER DIAMETER | 0.370 INCHES MINIMUM AND 0.372 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 2.203 INCHES MINIMUM AND 2.213 INCHES MAXIMUM FIRST SHOULDER | | WIDTH BETWEEN FLATS | 0.562 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.351 INCHES MINIMUM AND 0.361 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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