5305-00-857-4986 SCREW,MACHINE Index 5310-00-857-4988 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5310-00-857-4987

Federal Supply Class:
5310

National Item Identification Number:
008574987

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:
39503456878SPS TECHNOLOGIES, LLC
39503477445RTX CORPORATION
DSR1196-256878SPS TECHNOLOGIES, LLC
FN22-42856878SPS TECHNOLOGIES, LLC


Techincal Specification:
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
OVERALL HEIGHT0.230 INCHES NOMINAL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT STYLEDOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.438 INCHES NOMINAL
WASHER THICKNESS0.030 INCHES NOMINAL
WIDTH ACROSS FLATS0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD SERIESUNF
THREAD QUANTITY PER INCH28


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