5930-00-488-9136 SWITCH,PUSH Index 5310-00-488-9138 NUT,SELF-LOCKING,BARREL

National Stock Number:
5310-00-488-9137

Federal Supply Class:
5310

National Item Identification Number:
004889137

Description:
NUT,SELF-LOCKING,EXTENDED WASHER

Detail:
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.


Manufacturer Information:
1174580819200US ARMY ARDEC RDECOM
12NH-4019L2ESNA, LLC
EB048000Y2MILLS STERLING AEROSPACE INC
EB-42815653HOWMET GLOBAL FASTENING SYSTEMS INC
902617118876U S ARMY AVIATION AND MISSILE COMMAND
779255419205SPRINGFIELD ARMORY
EB04812770ARNOLD ENGINEERING CO PACIFIC DIV DIV OF SPS TECHNOLOGIES
EB04856878SPS TECHNOLOGIES, LLC
EB04872962HARVARD INDUSTRIES INC
EB04897499BELL TEXTRON INC


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 4130 OR
STEEL COMP 4340 OR
STEEL COMP 3140 OR
STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI4130 ASSN STD SINGLE MATERIAL RESPONSE OR
AISI4340 ASSN STD SINGLE MATERIAL RESPONSE OR
AISI3140 ASSN STD SINGLE MATERIAL RESPONSE OR
SAE8740 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL EXCEPT INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEDOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.521 INCHES MINIMUM AND
0.531 INCHES MAXIMUM
OVERALL HEIGHT0.334 INCHES NOMINAL
WASHER THICKNESS0.090 INCHES NOMINAL
WIDTH ACROSS FLATS0.362 INCHES MINIMUM AND
0.377 INCHES MAXIMUM
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL


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