5305-00-069-4238 SCREW,MACHINE Index 5310-00-069-4260 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5310-00-069-4246

Federal Supply Class:
5310

National Item Identification Number:
000694246

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:
75FS-720UN56878SPS TECHNOLOGIES, LLC
MS21044H796906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
MATERIALALUMINUM ALLOY OVERALL
NUT STYLEHEXAGON
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
BEARING SURFACE TYPECHAMFERED OR
WASHER FACED
THREAD SERIESUNF
NOMINAL THREAD SIZE0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
SURFACE TREATMENTANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT HEIGHT0.435 INCHES MINIMUM AND
0.469 INCHES MAXIMUM
WIDTH ACROSS FLATS0.679 INCHES MINIMUM AND
0.690 INCHES MAXIMUM
COUNTERBORE DIAMETER0.447 INCHES MINIMUM AND
0.487 INCHES MAXIMUM NUT
COUNTERSINK ANGLE88.0 DEGREES NOMINAL NUT
LUBRICATIONSOLUBLE LUBRICANT
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL
BEARING SURFACE FINISH125.0 MICROINCHES
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS21044H7


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