5310-00-813-6818 NUT,PLAIN,EXTENDED WASHER,HEXAGO Index 5340-00-813-6821 STRAP,RETAINING

National Stock Number:
5310-00-813-6820

Federal Supply Class:
5310

National Item Identification Number:
008136820

Description:
NUT,PLAIN,CASTELLATED,HEXAGON

Detail:
A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes NUT (1), PLAIN, SLOTTED, HEXAGON.


Manufacturer Information:
801433-16Z056CM MANUFACTURING INC
801433-198897LOCKHEED MARTIN CORP


Techincal Specification:
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E4340 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE1.375 INCHES
NUT HEIGHT0.660 INCHES NOMINAL
NUT STYLECASTELLATED, HEXAGON
WIDTH ACROSS FLATS2.220 INCHES MINIMUM AND 2.252 INCHES MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIESUNEF


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