5330-01-443-8059 SEAL,PLAIN Index 5305-01-443-8061 SCREW,CAP,SOCKET HEAD

National Stock Number:
5310-01-443-8060

Federal Supply Class:
5310

National Item Identification Number:
014438060

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:
6744241-1653711NAVAL SEA SYSTEMS COMMAND
M883001625685NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIVISION SUBMARINE ANTENNA QUALITY ASSURANCE


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
HARDNESS RATING80.0 ROCKWELL B NOMINAL
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281, CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 400 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.492 INCHES MINIMUM AND 0.504 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA81349-MIL-N-25027/1-4C GOVERNMENT SPECIFICATION
TEMP RATING80.0 FAHRENHEIT NOMINAL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH20


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