5998-00-438-5500 CIRCUIT CARD ASSEMBLY Index 5330-00-438-5518 GASKET

National Stock Number:
5310-00-438-5501

Federal Supply Class:
5310

National Item Identification Number:
004385501

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:
LH7559-472962HARVARD INDUSTRIES INC
PS1208-2970255EMERSON ELECTRIC CO ALCO CONTROLS DIV


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLEDOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.420 INCHES MAXIMUM
OVERALL HEIGHT0.219 INCHES MAXIMUM
WASHER THICKNESS0.040 INCHES NOMINAL
WIDTH ACROSS FLATS0.281 INCHES NOMINAL
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
LUBRICATIONDRY FILM LUBRICANT
TEMP RATING450.0 DEG FAHRENHEIT NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE70255
DESIGN CONTROL REFERENCEPS1208-29


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