5310-01-424-9570 WASHER,FLAT Index 5310-01-424-9572 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-424-9571

Federal Supply Class:
5310

National Item Identification Number:
014249571

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:
803-5001004-X2XX-4753711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 303 OVERALL
NUT STYLEHEXAGON
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
BEARING SURFACE TYPECHAMFERED
THREAD SERIESUNJF
NOMINAL THREAD SIZE1.250 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3B
MATERIAL DOCUMENT AND CLASSIFICATIONMS21083-C20 MIL STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT HEIGHT0.328 INCHES MINIMUM
WIDTH ACROSS FLATS1.280 INCHES MINIMUM AND
1.310 INCHES MAXIMUM
COUNTERSINK ANGLE88.0 DEGREES NOMINAL BOTH ENDS


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