5310-00-655-9935 WASHER,FLAT Index 5310-00-655-9940 NUT,SELF-LOCKING,INTERNAL WRENCH

National Stock Number:
5310-00-655-9937

Federal Supply Class:
5310

National Item Identification Number:
006559937

Description:
NUT,SELF-LOCKING,EXTENDED WASHER

Detail:
A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.


Manufacturer Information:
5310006559937SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
872497819207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
CS-2300-000116236DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)


Techincal Specification:
COUNTERBORE DIAMETER
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
MATERIAL DOCUMENT AND CLASSIFICATION
MATERIAL
NOMINAL THREAD SIZE0.625 INCHES
NUT COUNTERBORE DEPTH
NUT STYLEHEXAGON
OVERALL HEIGHT0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM
SPECIAL FEATURES125 MICROINCHES RMS ALL OVER EXCEPT 32 MICROINCHES RMS ON WASHER FACE
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIESUNF
WASHER OUTSIDE DIAMETER0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
WASHER THICKNESS0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
WIDTH ACROSS FLATS0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM


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