5310-01-077-9847 WASHER,FLAT Index 4820-01-077-9849 HEAD,SAFETY,PRESSURE RELIEF

National Stock Number:
5310-01-077-9848

Federal Supply Class:
5310

National Item Identification Number:
010779848

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:
10270673-518876U S ARMY AVIATION AND MISSILE COMMAND
FN922-72056878SPS TECHNOLOGIES, LLC


Techincal Specification:
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
LUBRICATIONSOLUBLE LUBRICANT
OVERALL HEIGHT0.430 INCHES MAXIMUM
MATERIALSTEEL COMP 601 OR STEEL COMP H11 OVERALL
NOMINAL THREAD SIZE0.437 INCHES
NUT STYLEDOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.750 INCHES MAXIMUM
WASHER THICKNESS0.080 INCHES MINIMUM
WIDTH ACROSS FLATS0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTNICKEL AND CADMIUM OVERALL
TEMP RATING900.0 FAHRENHEIT NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD QUANTITY PER INCH20
THREAD SERIESUNF


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