5306-00-208-0252 BOLT,SHOULDER Index 5306-00-208-0254 BOLT,SHOULDER

National Stock Number:
5306-00-208-0253

Federal Supply Class:
5306

National Item Identification Number:
002080253

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.


Manufacturer Information:
726245-398897LOCKHEED MARTIN CORP


Techincal Specification:
FASTENER LENGTH1.888 INCHES NOMINAL
HARDNESS RATING10.0 ROCKWELL C MINIMUM AND 21.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.109 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 8630 OVERALL
MINIMUM TENSILE STRENGTH90000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
SHOULDER DIAMETER0.312 INCHES NOMINAL FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER LENGTH1.478 INCHES NOMINAL FIRST SHOULDER
WIDTH BETWEEN FLATS0.438 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.410 INCHES MINIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNF


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