5310-00-857-4955 NUT,SELF-LOCKING,HEXAGON Index 5310-00-857-4957 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5310-00-857-4956

Federal Supply Class:
5310

National Item Identification Number:
008574956

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:
68NE-070U019L2ESNA, LLC
68NE-070U72962HARVARD INDUSTRIES INC
68NE-07OU019L2ESNA, LLC
68NE-07OU72962HARVARD INDUSTRIES INC
MS21044D780205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS21044D796906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
COUNTERSINK ANGLE88.0 DEGREES NOMINAL NUT
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
LUBRICATIONSOLUBLE LUBRICANT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/2,T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/5,T4 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/6,T6 FED SPEC 3RD MATERIAL RESPONSE OR QQ-A-200/11,T6 FED SPEC 4TH MATERIAL RESPONSE NUT
MATERIALALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 7075 NUT
NOMINAL THREAD SIZE0.438 INCHES
NUT HEIGHT0.435 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
NUT STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
SURFACE TREATMENTANODIZE OVERALL EXCEPT INSERT
TEMP RATING250.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNJF
WIDTH ACROSS FLATS0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM


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