4820-01-456-8039 PARTS KIT,BUTTERFLY VALVE Index 6695-01-456-8041 CONTROL,INDICATOR

National Stock Number:
5310-01-456-8040

Federal Supply Class:
5310

National Item Identification Number:
014568040

Description:
NUT,SELF-LOCKING,EXTENDED WASHER

Detail:
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.


Manufacturer Information:
74735-42880539SPS TECHNOLOGIES, LLC
E11520-456878SPS TECHNOLOGIES, LLC
H29164-475237HOWMET GLOBAL FASTENING SYSTEMS INC.
ST2161-1277445RTX CORPORATION
ST2162-1077445RTX CORPORATION
ST2729-1277445RTX CORPORATION


Techincal Specification:
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
OVERALL HEIGHT0.204 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525JGAAMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT STYLEHEXAGON
WASHER OUTSIDE DIAMETER0.402 INCHES MINIMUM AND 0.412 INCHES MAXIMUM
WASHER THICKNESS0.019 INCHES MINIMUM
WIDTH ACROSS FLATS0.306 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIESUNJF


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