4920-00-084-4075 HEATER,AIRCRAFT ENGINE MAINTENAN Index 5340-00-084-4078 STRAP,RETAINING

National Stock Number:
5310-00-084-4077

Federal Supply Class:
5310

National Item Identification Number:
000844077

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:
9610M87P0707482GENERAL ELECTRIC COMPANY


Techincal Specification:
COUNTERBORE DIAMETER0.276 INCHES MINIMUM NUT
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
LUBRICATIONDRY FILM LUBRICANT
OVERALL HEIGHT0.458 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT COUNTERBORE DEPTH0.130 INCHES MINIMUM NUT
NUT STYLEDOUBLE HEXAGON
PRECIOUS MATERIALSILVER
WASHER OUTSIDE DIAMETER0.440 INCHES MAXIMUM
WASHER THICKNESS0.180 INCHES NOMINAL
WIDTH ACROSS FLATS0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
TEMP RATING850.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIESUNJF


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