5310-01-578-6408 WASHER,FLAT Index 5310-01-578-6414 NUT,SELF-LOCKING,EXTENDED WASHER

National Stock Number:
5310-01-578-6411

Federal Supply Class:
5310

National Item Identification Number:
015786411

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:
5310PL21783139009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
AS3486-100U583SAE INTERNATIONAL
AS3486-1081343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS3486-10Z0HA9BOEING DEFENCE AUSTRALIA


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALIRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR
AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCOPPER OR
NICKEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OR
AMS 2403 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING37.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM
NUT STYLEDOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.400 INCHES MINIMUM
OVERALL HEIGHT0.317 INCHES NOMINAL
WASHER THICKNESS0.045 INCHES MINIMUM AND
0.057 INCHES MAXIMUM
WIDTH ACROSS FLATS0.3125 INCHES NOMINAL
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
LUBRICATIONDRY FILM LUBRICANT
TEMP RATING800.0 DEG FAHRENHEIT MAXIMUM


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