5310-01-398-0316 WASHER,FLAT Index 5310-01-398-0318 WASHER,FLAT

National Stock Number:
5310-01-398-0317

Federal Supply Class:
5310

National Item Identification Number:
013980317

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:
19076624617GENERAL MOTORS CORP
1907667X677GENERAL MOTORS LLC


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
MATERIALPLASTIC POLYAMIDE LOCKING INSERT
STEEL OVERALL EXCEPT INSERT
NUT STYLEHEXAGON
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
BEARING SURFACE TYPECHAMFERED
THREAD SERIESUNC
NOMINAL THREAD SIZE0.312 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS3B
SURFACE TREATMENTCADMIUM OR
ZINC OVERALL EXCEPT INSERT
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM
NUT HEIGHT0.335 INCHES NOMINAL
WIDTH ACROSS FLATS0.546 INCHES MINIMUM AND
0.566 INCHES MAXIMUM
TEMP RATING250.0 DEG FAHRENHEIT NOMINAL
SPECIAL FEATURESBOSS DIA 0.563 IN. NOM AND BOSS THK. 0.088 IN. MIN 0.118 IN. MAX.


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