4540-01-135-2884 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 5310-01-135-2886 WASHER,FLAT

National Stock Number:
5310-01-135-2885

Federal Supply Class:
5310

National Item Identification Number:
011352885

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:
NAS1291X780205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
COUNTERSINK ANGLE120.0 DEGREES MAXIMUM OVERALL
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
OVERALL HEIGHT0.313 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.438 INCHES
NUT STYLEHEXAGON
SPECIFICATION/STANDARD DATA80205-NAS1291 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WASHER OUTSIDE DIAMETER0.708 INCHES MAXIMUM
WASHER THICKNESS0.035 INCHES NOMINAL
WIDTH ACROSS FLATS0.494 INCHES MINIMUM AND 0.504 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,CL FED SPEC SINGLE TREATMENT RESPONSE OR 2 FED STD 9TH TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
TEMP RATING450.0 FAHRENHEIT MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNJF
THREAD QUANTITY PER INCH20


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