5935-00-045-4377 ADAPTER,LAMPHOLDER TO CONNECTOR Index 1240-00-045-4380 EYESHIELD,OPTICAL INSTRUMENT

National Stock Number:
1240-00-045-4379

Federal Supply Class:
1240

National Item Identification Number:
000454379

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:
1054791319200US ARMY ARDEC RDECOM


Techincal Specification:
APERTURE DIAMETER1.5625 INCHES NOMINAL
INTERNAL FLANGE THICKNESS0.3750 INCHES NOMINAL
OUTSIDE DIAMETER1.710 INCHES MINIMUM AND 1.720 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 303, COND A FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-764, TYPE 416, COND A-CANCELED FED SPEC 2ND MATERIAL RESPONSE
MATERIALSTEEL COMP 303 OR STEEL COMP 416
THREAD LOCATIONINTERNAL


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