5365-01-102-4452 RING,EXTERNALLY THREADED Index 4410-01-102-4454 HEATER,WATER,ELECTRIC

National Stock Number:
6650-01-102-4453

Federal Supply Class:
6650

National Item Identification Number:
011024453

Description:
RING,RETAINING,OPTICAL ELEMENT

Detail:
A CYLINDRICAL ITEM HAVING AN INTERNALLY FLANGED DIAMETER DESIGNED TO RETAIN A LENS OR WINDOW IN THE OBJECTIVE END, OR A DIOPTER SCALE AT THE VIEWING END OF AN OPTICAL INSTRUMENT. IT MAY HAVE ONE OR MORE OF THE FOLLOWING CHARACTERISTICS: INTERNAL THREAD OR MACHINED FOR A PRESS FIT, METHOD OF SECURING, AND/OR KNURLED PERIPHERY. FOR EXTERNALLY THREADED ITEMS, SEE RETAINER, OPTICAL ELEMENT. EXCLUDES CELL, OPTICAL ELEMENT; NUT, PLAIN KNURLED; NUT, PLAIN ROUND; AND RING, RETAINING.


Manufacturer Information:
1021954018876U S ARMY AVIATION AND MISSILE COMMAND
1021954064217P D C ASSOCIATES INC


Techincal Specification:
APERTURE DIAMETER2.625 INCHES NOMINAL
INTERNAL FLANGE THICKNESS0.071 INCHES NOMINAL
MATERIALALUMINUM ALLOY 2024
OUTSIDE DIAMETER2.813 INCHES NOMINAL
OVERALL LENGTH0.125 INCHES NOMINAL
SCREW THREAD SERIES DESIGNATORUNS
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.125 INCHES
THREAD LOCATIONEXTERNAL
THREAD PITCH DIAMETERS+2.7865 TO 2.7909 INCHES
THREAD SIZE2 13/16-32


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