1240-00-161-0416 ADAPTER,EYEPIECE ASSEMBLY Index 5330-00-161-0425 SEAL,PREGLUED

National Stock Number:
1240-00-161-0423

Federal Supply Class:
1240

National Item Identification Number:
001610423

Description:
CELL,OPTICAL ELEMENT

Detail:
A CYLINDRICAL ITEM SPECIFICALLY DESIGNED TO HOLD A LENS, RETICLE, OR WINDOW IN AN OPTICAL SYSTEM. INCLUDES ECCENTRIC CELLS AND/OR RINGS DESIGNED TO BE ROTATED WITHIN THE INSTRUMENT TO SHIFT AN OPTICAL ELEMENT TO A PRESCRIBED POSITION.


Manufacturer Information:
821553814001GRAYCO OPTICAL CORP
821553819200US ARMY ARDEC RDECOM


Techincal Specification:
ECCENTRIC CONSTRUCTIONNOT PROVIDED
ELEMENT SECURING METHODCEMENT AND THREADED RING
CHAMFER LOCATIONINTERNAL THREAD END
CHAMFER SIZE0.010 IN. TO 0.020 IN. BY 45 DEG.
FSC APPLICATION DATAPERISCOPE,BATTERY COMMAND
OVERALL DIAMETER1.772 INCHES MINIMUM AND 1.775 INCHES MAXIMUM
OVERALL LENGTH1.700 INCHES MINIMUM AND 1.710 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONWW-T-700/3, ALLOY 2024, T3 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225/6, ALLOY 2024, T4 FED SPEC 2ND MATERIAL RESPONSE AND QQ-A-225/6, ALLOY 2024, T6 FED SPEC 3RD MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 2024
SCREW THREAD SERIES DESIGNATORUNS
SPECIAL FEATURESTHREE HOLES 0.086-64UNF-2B THD,SPACED 120 DEG APART ON PERIPHERY OF EXTERNAL THREAD END.
SURFACE TREATMENTANODIZE
THREAD DIRECTIONRIGHT-HAND
THREAD LOCATIONEXTERNAL AND INTERNAL
THREAD PITCH DIAMETERS+1.7054 TO 1.7094 INCHES AND +1.5682 TO 1.5722 INCHES AND +1.4484 TO 1.4536 INCHES
THREAD LENGTH0.650 INCHES AND 0.390 INCHES AND 0.156 INCHES
THREAD SIZE1.750-16-0.375L AND 1.593-32 AND 1.468-32


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