5360-00-153-3140 SPRING,HELICAL,COMPRESSION Index 5310-00-153-3143 WASHER,FLAT

National Stock Number:
5310-00-153-3142

Federal Supply Class:
5310

National Item Identification Number:
001533142

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:
3040706-048-10199696LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN SYSTEMS & GLOBAL SOLUTIONS


Techincal Specification:
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,CONDA, FED SPEC 2ND MATERIAL RESPONSE OR MIL-C-13924 MIL SPEC 2ND MATERIAL RESPONSE NUT
MATERIALSTEEL COMP 303 NUT
NOMINAL THREAD SIZE1.688 INCHES
NUT HEIGHT0.312 INCHES NOMINAL
NUT STYLEHEXAGON
SPECIAL FEATURESONE DRILLED HOLE 0.156 IN. DIA,0.250 IN. DEEP THRU ONE WALL AND ONE DRILLED HOLE 0.062 IN. DIA,0.250 IN. DEEP,COUNTERBORED 0.124 IN. MIN,0.125 IN. MAX DIA,0.125 IN. DEEP THRU ONE WALL 180.0 DEG FROM FIRST HOLE
WIDTH ACROSS FLATS2.000 INCHES NOMINAL
SURFACE TREATMENTOXIDE NUT
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUN


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