5310-00-228-3961 WASHER,FLAT Index 5310-00-228-3963 WASHER,FLAT

National Stock Number:
5310-00-228-3962

Federal Supply Class:
5310

National Item Identification Number:
002283962

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:
4G53431-101A98897LOCKHEED MARTIN CORP


Techincal Specification:
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPEWASHER FACED
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE1.875 INCHES
NUT HEIGHT0.625 INCHES NOMINAL
NUT STYLECASTELLATED, HEXAGON
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNIFIED NATIONAL JOINT (UNJ)
THREAD QUANTITY PER INCH8
WIDTH ACROSS FLATS2.250 INCHES NOMINAL


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