4540-01-375-7673 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 5310-01-375-7675 NUT,SELF-LOCKING,EXTENDED WASHER

National Stock Number:
5310-01-375-7674

Federal Supply Class:
5310

National Item Identification Number:
013757674

Description:
NUT,SELF-LOCKING,HEXAGON

Detail:
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.


Manufacturer Information:
12387299-N0419207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
COUNTERBORE DIAMETER0.116 INCHES MINIMUM AND 0.156 INCHES MAXIMUM NUT
COUNTERSINK ANGLE88.0 DEGREES NOMINAL NUT
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
LUBRICATIONSOLUBLE LUBRICANT
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.112 INCHES
NUT HEIGHT0.133 INCHES MINIMUM AND 0.157 INCHES MAXIMUM
NUT STYLEHEXAGON
SPECIAL FEATURESFINISH COLOR BRONZE OR OLIVE DRAB
WIDTH ACROSS FLATS0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
TEMP RATING250.0 FAHRENHEIT NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD SERIESUNJC
THREAD QUANTITY PER INCH40


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