5310-01-251-1978 NUT,SELF-LOCKING,CAP Index 5310-01-251-1980 NUT,SLEEVE

National Stock Number:
5310-01-251-1979

Federal Supply Class:
5310

National Item Identification Number:
012511979

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:
BH00760-627238BRISTOL INDUSTRIES, LLC
H49049-615653HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
THREAD SERIESUNJF
NOMINAL THREAD SIZE0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING36.0 ROCKWELL C MAXIMUM
NUT STYLEDOUBLE HEXAGON
WASHER OUTSIDE DIAMETER0.670 INCHES MAXIMUM
OVERALL HEIGHT0.468 INCHES MAXIMUM
WASHER THICKNESS0.060 INCHES NOMINAL
WIDTH ACROSS FLATS0.492 INCHES MINIMUM AND
0.502 INCHES MAXIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
LUBRICATIONDRY FILM LUBRICANT
TEMP RATING450.0 DEG FAHRENHEIT MAXIMUM


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