5305-00-655-6630 SETSCREW Index 5310-00-655-6639 WASHER,FLAT

National Stock Number:
5310-00-655-6631

Federal Supply Class:
5310

National Item Identification Number:
006556631

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:
75NTE08072962HARVARD INDUSTRIES INC
79NTE080019L2ESNA, LLC
79NTE08072962HARVARD INDUSTRIES INC
917169200000ORDNANCE CORPS
ANN581352AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP


Techincal Specification:
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIALPLASTIC POLYAMIDE LOCKING INSERT
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X NUT
NOMINAL THREAD SIZE0.500 INCHES
NUT HEIGHT0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE NUT
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNF


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