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National Stock Number:
5306-00-527-3820
Federal Supply Class:
5306
National Item Identification Number:
005273820
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:
| F273 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | F273 | 70691 | CAPITOL GEARS INC |
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Techincal Specification:
| FASTENER LENGTH | 3.750 INCHES NOMINAL | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 3140 OVERALL | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | SHOULDER DIAMETER | 0.874 INCHES MINIMUM AND 0.875 INCHES MAXIMUM SECOND SHOULDER | | SHOULDER DIAMETER | 0.999 INCHES MINIMUM AND 1.000 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND ALL SHOULDERS | | SHOULDER LENGTH | 0.938 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 1.875 INCHES NOMINAL SECOND SHOULDER | | SPECIAL FEATURES | RELIEF GROOVES 3/32 IN. W BACK OF HEAD AND 1ST SHOULDER | | WIDTH BETWEEN FLATS | 1.250 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.875 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNF |
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