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:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OR
2 FED STD 9TH TREATMENT RESPONSE OVERALL
NUT STYLEHEXAGON
WASHER OUTSIDE DIAMETER0.708 INCHES MAXIMUM
OVERALL HEIGHT0.313 INCHES MINIMUM AND
0.328 INCHES MAXIMUM
WASHER THICKNESS0.035 INCHES NOMINAL
WIDTH ACROSS FLATS0.494 INCHES MINIMUM AND
0.504 INCHES MAXIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
COUNTERSINK ANGLE120.0 DEGREES MAXIMUM OVERALL
TEMP RATING450.0 DEG FAHRENHEIT MAXIMUM
SPECIFICATION/STANDARD DATA80205-NAS1291 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD


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