4730-01-123-1420 NUT,TUBE COUPLING Index 5310-01-123-1422 NUT,SELF-LOCKING,EXTENDED WASHER

National Stock Number:
5310-01-123-1421

Federal Supply Class:
5310

National Item Identification Number:
011231421

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:
8712289-1419204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
CONE SEAT ANGLE90.0 DEGREES NOMINAL
COUNTERSINK ANGLE90.0 DEGREES NOMINAL NUT
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1023 OR STEEL COMP 1026 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OVERALL
NOMINAL THREAD SIZE0.750 INCHES
NUT HEIGHT0.665 INCHES MAXIMUM
NUT STYLECONE SEAT, HEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH10
THREAD SERIESUNC
WIDTH ACROSS FLATS1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM


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