5310-01-494-7025 WASHER,FLAT Index 5975-01-494-7027 BASE,CHASSIS

National Stock Number:
5310-01-494-7026

Federal Supply Class:
5310

National Item Identification Number:
014947026

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:
VN324B04892215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALIRON ALLOY 660 OVERALL
SURFACE TREATMENTSILVER OVERALL
NUT STYLEHEXAGON
WASHER OUTSIDE DIAMETER0.420 INCHES MAXIMUM
OVERALL HEIGHT0.219 INCHES MAXIMUM
WASHER THICKNESS0.019 INCHES MINIMUM
WIDTH ACROSS FLATS0.305 INCHES MINIMUM AND
0.316 INCHES MAXIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
LUBRICATIONDRY FILM LUBRICANT
PRECIOUS MATERIALSILVER
PRECIOUS MATERIAL AND LOCATIONPLATING SILVER


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