5305-01-384-4269 SCREW,MACHINE Index 5310-01-384-4271 WASHER,BEVEL

National Stock Number:
5310-01-384-4270

Federal Supply Class:
5310

National Item Identification Number:
013844270

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:
12387349-3919207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIALPLASTIC POLYAMIDE NYLON LOCKING INSERT
MATERIALSTEEL NUT
NOMINAL THREAD SIZE0.500 INCHES
NUT HEIGHT0.427 INCHES MINIMUM AND 0.609 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.736 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 ASSN STD SINGLE TREATMENT RESPONSE NUT
SURFACE TREATMENTZINC AND CHROMATE NUT
TEMP RATING250.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH13


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