1560-01-490-3031 FITTING,STRUCTURAL COMPONENT,AIR Index 4920-01-490-3033 FIXTURE,MACHINING,AIRCRAFT ENGIN

National Stock Number:
5310-01-490-3032

Federal Supply Class:
5310

National Item Identification Number:
014903032

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:
NAS1805-7L80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
OVERALL HEIGHT0.438 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5662 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OR NICKEL ALLOY 718 OVERALL
NOMINAL THREAD SIZE0.437 INCHES
NUT STYLEDOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.729 INCHES NOMINAL
WASHER THICKNESS0.069 INCHES NOMINAL
WIDTH ACROSS FLATS0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL
TEMP RATING450.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNJF
THREAD QUANTITY PER INCH20


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