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National Stock Number:
5306-00-556-8849
Federal Supply Class:
5306
National Item Identification Number:
005568849
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:
| 5568849 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 3.750 INCHES NOMINAL | | EXTENDED WASHER THICKNESS | 1.000 INCHES NOMINAL | | FASTENER LENGTH | 11.813 INCHES MINIMUM AND 11.875 INCHES MAXIMUM | | HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 2.250 INCHES MINIMUM AND 2.312 INCHES MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | MATERIAL | STEEL COMP 4140 OR STEEL COMP 8640 OVERALL | | SHOULDER DIAMETER | 2.480 INCHES MINIMUM AND 2.490 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 9.234 INCHES MINIMUM AND 9.250 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | WIDTH BETWEEN FLATS | 2.172 INCHES MINIMUM AND 2.188 INCHES MAXIMUM | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.563 INCHES MINIMUM AND 2.641 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UN |
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