2530-00-103-8139 CHAMBER,AIR BRAKE Index 2520-00-103-8141 SHAFT ASSEMBLY,PROP

National Stock Number:
5310-00-103-8140

Federal Supply Class:
5310

National Item Identification Number:
001038140

Description:
NUT,SELF-LOCKING,CASTELLATED,HEX

Detail:
A NUT HAVING 6 FLAT 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. EXCLUDES NUT (1), SELF-LOCKING, SLOTTED, HEXAGON.


Manufacturer Information:
18536R145RP7DRESSTA NORTH AMERICA LTD
18536R192679NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/
19263R131007NAVISTAR INTL CORP
19263R192679NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIALPLASTIC LOCKING INSERT
MATERIALSTEEL NUT
NOMINAL THREAD SIZE0.625 INCHES
NUT HEIGHT0.391 INCHES NOMINAL
NUT STYLECASTELLATED, HEXAGON
THREAD CLASS3N
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIESUNF
WIDTH ACROSS FLATS0.930 INCHES NOMINAL


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