5305-00-459-7817 SCREW,CLOSE TOLERANCE Index 5305-00-459-7819 SETSCREW

National Stock Number:
5310-00-459-7818

Federal Supply Class:
5310

National Item Identification Number:
004597818

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:
55LH7644-144019L2ESNA, LLC
55LH7644-14472962HARVARD INDUSTRIES INC
STSCC003A2898897LOCKHEED MARTIN CORP


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 4130 OR
STEEL COMP 4140 OR
STEEL COMP 4340 OR
STEEL COMP 8740 NUT
NUT STYLEHEXAGON
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
BEARING SURFACE TYPECHAMFERED OR
WASHER FACED
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.875 INCHES
THREAD QUANTITY PER INCH14
THREAD CLASS3B
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES NUT
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND
41.0 ROCKWELL C MAXIMUM
NUT HEIGHT0.470 INCHES MINIMUM AND
0.485 INCHES MAXIMUM
WIDTH ACROSS FLATS1.239 INCHES MINIMUM AND
1.252 INCHES MAXIMUM
LUBRICATIONSOLUBLE LUBRICANT
TEMP RATING-65.0 DEG FAHRENHEIT MINIMUM AND
450.0 DEG FAHRENHEIT MAXIMUM


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