5310-01-421-2057 WASHER,FLAT Index 5315-01-421-2059 KEY,MACHINE

National Stock Number:
5310-01-421-2058

Federal Supply Class:
5310

National Item Identification Number:
014212058

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:
6397434-X61XXX-03553711NAVAL SEA SYSTEMS COMMAND
803-6397434-X61XXX ITEM 3553711NAVAL SEA SYSTEMS COMMAND
803-6397434-X61XXX-03553711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY R-405 OVERALL
NOMINAL THREAD SIZE0.500 INCHES
NUT HEIGHT0.328 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)


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