4730-01-186-8640 NUT,UNION Index 5310-01-186-8642 WASHER,FLAT

National Stock Number:
5310-01-186-8641

Federal Supply Class:
5310

National Item Identification Number:
011868641

Description:
NUT,SELF-LOCKING,CONE SEAT,HEXAG

Detail:
A nut having 6 flat sides and a cone seat bearing surface. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also NUT (1), SELF-LOCKING, SINGLE BALL SEAT, HEXAGON.


Manufacturer Information:
942227405QS6LM PRODUCTS, INC.
942227411862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
942229411862GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT
94222747X677GENERAL MOTORS LLC


Techincal Specification:
CONE SEAT ANGLE80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
MATERIAL DOCUMENT AND CLASSIFICATIONGM 301-M,FSCM 11862 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
NUT STYLECONE SEAT, HEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONGM 4341-M,CODE 20U32,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIESUNF
WIDTH ACROSS FLATS0.4280 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM


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