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:
NOMINAL THREAD SIZE0.312 INCHES
NUT HEIGHT0.385 INCHES NOMINAL
NUT STYLECASTELLATED, DOUBLE HEXAGON
SPECIAL FEATURESMATERIAL STATED A286
WIDTH ACROSS FLATS0.531 INCHES NOMINAL
TEMP RATING900.0 FAHRENHEIT MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH24
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)


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