5305-00-505-4056 SCREW,CLOSE TOLERANCE Index 5305-00-505-4060 SCREW,CLOSE TOLERANCE

National Stock Number:
5310-00-505-4057

Federal Supply Class:
5310

National Item Identification Number:
005054057

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:
69678M42856878SPS TECHNOLOGIES, LLC


Techincal Specification:
HARDNESS RATING47.0 ROCKWELL C NOMINAL
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
LUBRICATIONDRY FILM LUBRICANT
OVERALL HEIGHT0.285 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP H11 OR STEEL COMP 8740 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT STYLEDOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.390 INCHES MAXIMUM
WASHER THICKNESS0.042 INCHES MINIMUM
WIDTH ACROSS FLATS0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
TEMP RATING450.0 FAHRENHEIT NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD QUANTITY PER INCH28
THREAD SERIESUNJF


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