4820-01-434-3279 DISK,VALVE Index 5340-01-434-3281 COVER,ACCESS

National Stock Number:
5310-01-434-3280

Federal Supply Class:
5310

National Item Identification Number:
014343280

Description:
NUT,SELF-LOCKING,PLATE

Detail:
A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.


Manufacturer Information:
NAS1766CL480205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THREAD DIRECTIONRIGHT-HAND
NUT STYLEPLATE
MATERIALIRON ALLOY 660 OVERALL
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
HARDNESS RATING49.0 ROCKWELL C MAXIMUM
NUT LENGTH1.079 INCHES MAXIMUM
NUT HEIGHT0.312 INCHES MAXIMUM
NUT COUNTERBORE DEPTH0.062 INCHES MINIMUM NUT
COUNTERBORE DIAMETER0.254 INCHES MINIMUM NUT
LUBRICATIONDRY FILM LUBRICANT
NUT MOUNTING PROVISIONSTRAIGHT HOLES
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
MOUNTING HOLE DIAMETER0.098 INCHES MINIMUM AND
0.103 INCHES MAXIMUM
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.495 INCHES MINIMUM AND
0.505 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH0.705 INCHES MINIMUM AND
0.709 INCHES MAXIMUM
TEMP RATING450.0 DEG FAHRENHEIT MAXIMUM
FEATURES PROVIDEDFLOATING NUT
SPECIFICATION/STANDARD DATA80205-NAS1766 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD


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