5305-01-496-7141 SCREW,CAP,HEXAGON HEAD Index 5340-01-496-7143 STOP,MECHANICAL

National Stock Number:
5310-01-496-7142

Federal Supply Class:
5310

National Item Identification Number:
014967142

Description:
NUT,SELF-LOCKING,CASTELLATED,DOU

Detail:
A NUT HAVING 12 DRIVE POINTS, 24 SIDES, FLAT ON THE BOTTOM AND HAVING A SLOTTED CYLINDRICAL OR DOME SHAPED UPPER PORTION. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. THE SLOTS WHEN USED IN CONJUNCTION WITH A SOLID OR SPLIT (COTTER) PIN, ACT AS AN EXTRA "FAIL SAFE" FEATURE IN CRITICAL APPLICATIONS.


Manufacturer Information:
61170D-52456878SPS TECHNOLOGIES, LLC


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
NOMINAL THREAD SIZE0.312 INCHES
NUT HEIGHT0.385 INCHES NOMINAL
NUT STYLECASTELLATED, DOUBLE HEXAGON
SPECIAL FEATURESMATERIAL STATED A286
WIDTH ACROSS FLATS0.531 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE II CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
TEMP RATING900.0 FAHRENHEIT MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNJF
THREAD QUANTITY PER INCH24


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