2920-00-703-6832 BRUSH SET,ELECTRICAL CONTACT Index 5935-00-703-6848 COVER,TELEPHONE JACK

National Stock Number:
5306-00-703-6834

Federal Supply Class:
5306

National Item Identification Number:
007036834

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:
121CM10011-126512NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.306 INCHES MINIMUM AND
0.326 INCHES MAXIMUM
FASTENER LENGTH4.170 INCHES MINIMUM AND
4.190 INCHES MAXIMUM
MATERIALSTEEL COMP E4340 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND
40.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH165000 POUNDS PER SQUARE INCH
HEAD STYLEHEXAGON
HEAD HEIGHT0.188 INCHES MINIMUM AND
0.203 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.553 INCHES MINIMUM AND
0.564 INCHES MAXIMUM
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER DIAMETER0.373 INCHES MINIMUM AND
0.374 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH3.734 INCHES MINIMUM AND
3.744 INCHES MAXIMUM FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER4.054 INCHES MINIMUM AND
4.074 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER0.074 INCHES MINIMUM AND
0.079 INCHES MAXIMUM FIRST HOLE
THE MANUFACTURERS DATA
MANUFACTURERS CODE26512
DESIGN CONTROL REFERENCE121CM10011-1


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