5310-01-086-9887 NUT,SELF-LOCKING,HEXAGON Index 5310-01-086-9890 WASHER,FLAT

National Stock Number:
5310-01-086-9889

Federal Supply Class:
5310

National Item Identification Number:
010869889

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:
MS3376-496906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OR
STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING49.0 ROCKWELL C MAXIMUM
NUT STYLEDOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.460 INCHES MAXIMUM
OVERALL HEIGHT0.291 INCHES MAXIMUM
WASHER THICKNESS0.013 INCHES MINIMUM AND
0.023 INCHES MAXIMUM
WIDTH ACROSS FLATS0.281 INCHES NOMINAL
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
NUT COUNTERBORE DEPTH0.007 INCHES MINIMUM AND
0.036 INCHES MAXIMUM NUT
COUNTERBORE DIAMETER0.400 INCHES MINIMUM NUT
LUBRICATIONDRY FILM LUBRICANT
TEMP RATING450.0 DEG FAHRENHEIT MAXIMUM
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS3376-4


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