4540-00-382-8182 HEATING ELEMENT,ELE Index 5310-00-382-8191 WASHER,FLAT

National Stock Number:
5310-00-382-8186

Federal Supply Class:
5310

National Item Identification Number:
003828186

Description:
NUT,PLAIN,EXTENDED WASHER,HEXAGO

Detail:
A NUT HAVING 6 FLAT SIDES AND AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE FLATS OR PERIPHERY.


Manufacturer Information:
9809511599TRIUMPH ENGINE CONTROL SYSTEMS LLC


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM NUT
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
OVERALL HEIGHT0.350 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 410 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT STYLEHEXAGON
SPECIAL FEATURESONE SLOT ON PERIPHERY OF EXTENDED WASHER 0.050 IN. DEEP 0.090 IN. MIN 0.100 IN. MAX WIDE
WASHER OUTSIDE DIAMETER0.403 INCHES MINIMUM AND 0.409 INCHES MAXIMUM
WASHER THICKNESS0.180 INCHES NOMINAL
WIDTH ACROSS FLATS0.310 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNJF
THREAD QUANTITY PER INCH28


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