5310-00-494-2048 NUT,SELF-LOCKING,SINGLE BALL SEA Index 5310-00-494-2050 NUT,SHEET SPRING

National Stock Number:
5310-00-494-2049

Federal Supply Class:
5310

National Item Identification Number:
004942049

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:
68457-221256878SPS TECHNOLOGIES, LLC
L55LHEB220-222019L2ESNA, LLC
L55LHEB220-22272962HARVARD INDUSTRIES INC
STSCD007-4498897LOCKHEED MARTIN CORP


Techincal Specification:
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
LUBRICATIONSOLUBLE LUBRICANT
OVERALL HEIGHT1.445 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAISI3140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE8740 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 3140 OR STEEL COMP 8740 OVERALL
NOMINAL THREAD SIZE1.375 INCHES
NUT STYLEDOUBLE HEXAGON
WASHER OUTSIDE DIAMETER2.313 INCHES MAXIMUM
WIDTH ACROSS FLATS1.614 INCHES MINIMUM AND 1.627 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
TEMP RATING-65.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNJF
THREAD QUANTITY PER INCH12


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