5306-00-527-3340 BOLT,SQUARE NECK Index 5310-00-527-3342 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5310-00-527-3341

Federal Supply Class:
5310

National Item Identification Number:
005273341

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:
68NM-6072962HARVARD INDUSTRIES INC
AN365D640A88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIALALUMINUM ALLOY NUT
MATERIALPLASTIC POLYAMIDE LOCKING INSERT
NOMINAL THREAD SIZE0.138 INCHES
NUT HEIGHT0.172 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.302 INCHES MINIMUM AND 0.314 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-A-8625 MIL SPEC 2ND TREATMENT RESPONSE NUT
SURFACE TREATMENTCHROMATE OR ANODIZE NUT
TEMP RATING250.0 FAHRENHEIT NOMINAL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH40
THREAD SERIESUNF


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