5310-01-568-1781 NUT,SELF-LOCKING,HEXAGON Index 5310-01-568-1785 WASHER,FLAT

National Stock Number:
5310-01-568-1782

Federal Supply Class:
5310

National Item Identification Number:
015681782

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:
M45913-2-4CG5Z81349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
NUT STYLEHEXAGON
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
BEARING SURFACE TYPEFLAT
THREAD SERIESUNC
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2B
MATERIAL DOCUMENT AND CLASSIFICATIONJ995, GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONB633, TY 2, FE/ZN 8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING32.0 ROCKWELL C MAXIMUM
NUT HEIGHT0.212 INCHES MINIMUM AND
0.288 INCHES MAXIMUM
WIDTH ACROSS FLATS0.428 INCHES MINIMUM AND
0.439 INCHES MAXIMUM
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT,SELFLOCKING
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEM45913-2-4CG5Z


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