5340-01-131-0747 BOOT,DUST AND MOISTURE SEAL Index 5310-01-131-0749 WASHER,FLAT

National Stock Number:
5310-01-131-0748

Federal Supply Class:
5310

National Item Identification Number:
011310748

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:
LH11588-5019L2ESNA, LLC
LH11588-572962HARVARD INDUSTRIES INC
ST2183-1177445RTX CORPORATION


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.3125 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING48.0 ROCKWELL C MAXIMUM
NUT STYLEDOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.498 INCHES MINIMUM
OVERALL HEIGHT0.458 INCHES MINIMUM AND
0.473 INCHES MAXIMUM
WASHER THICKNESS0.060 INCHES MINIMUM
WIDTH ACROSS FLATS0.430 INCHES MINIMUM AND
0.439 INCHES MAXIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE77445
MFR SOURCE CONTROLLING REFERENCEST2183-11


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