5970-01-120-5537 INSULATOR,BUSHING Index 5310-01-120-5540 WASHER,FLAT

National Stock Number:
5310-01-120-5539

Federal Supply Class:
5310

National Item Identification Number:
011205539

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:
BH00215-527238BRISTOL INDUSTRIES, LLC
S9425-52N935BOEING DISTRIBUTION SERVICES X, INC.
S9425-599193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALIRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTSILVER OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING44.0 ROCKWELL C MAXIMUM
NUT STYLEDOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.505 INCHES MINIMUM AND
0.515 INCHES MAXIMUM
OVERALL HEIGHT0.355 INCHES MINIMUM AND
0.365 INCHES MAXIMUM
WASHER THICKNESS0.043 INCHES MINIMUM AND
0.063 INCHES MAXIMUM
WIDTH ACROSS FLATS0.367 INCHES MINIMUM AND
0.376 INCHES MAXIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
SPECIFICATION/STANDARD DATA99193-S9425 MANUFACTURERS STANDARD
PRECIOUS MATERIALSILVER
PRECIOUS MATERIAL AND LOCATIONALL SURFACES SILVER


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