4730-01-297-8244 NUT,TUBE COUPLING Index 5310-01-297-8246 NUT,SELF-LOCKING,SPLINE

National Stock Number:
5310-01-297-8245

Federal Supply Class:
5310

National Item Identification Number:
012978245

Description:
NUT,SELF-LOCKING,HEXAGON

Detail:
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.


Manufacturer Information:
MS21045L4E96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
LUBRICATIONDRY FILM LUBRICANT
MATERIALSTEEL COMP 8740 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1021 OR STEEL COMP 1030 OR STEEL COMP 1046 OR STEEL COMP 1110 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1137 OR STEEL COMP 11L37 OR STEEL COMP 1213 OR STEEL COMP 12L14 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.116 INCHES MINIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
TEMP RATING450.0 FAHRENHEIT MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNJF
THREAD QUANTITY PER INCH28


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