NSN 1240-00-161-0423

Part Details | OPTICAL ELEMENT CELL

1240-00-161-0423 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.

Alternate Parts: 8215538, 8215538, 1240-00-161-0423, 00-161-0423, 1240001610423, 001610423

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 24, 197300-161-042321859 ( CELL, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-161-0423
Part Number Cage Code Manufacturer
821553814001GRAYCO OPTICAL CORP
821553819200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-00-161-0423
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 2024
MATERIAL DOCUMENT AND CLASSIFICATIONWW-T-700 TO 3, ALLOY 2024, T3 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225 TO 6, ALLOY 2024, T4 FED SPEC 2ND MATERIAL RESPONSE AND QQ-A-225 TO 6, ALLOY 2024, T6 FED SPEC 3RD MATERIAL RESPONSE
SURFACE TREATMENT ANODIZE
THREAD LOCATION EXTERNAL AND EXTERNAL AND INTERNAL
THREAD SIZEA1.750-16-0.375L$$A1.593-32$$A1.468-32
SCREW THREAD SERIES DESIGNATOR UNS AND UNS
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 DIRECTION RIGHT-HAND AND RIGHT-HAND AND RIGHT-HAND
ECCENTRIC CONSTRUCTION NOT PROVIDED
CHAMFER LOCATION INTERNAL THREAD END
CHAMFER SIZE0.010 IN. TO 0.020 IN. BY 45 DEG.
ELEMENT SECURING METHOD CEMENT AND THREADED RING
OVERALL LENGTH1.700 INCHES MINIMUM AND 1.710 INCHES MAXIMUM
OVERALL DIAMETER1.772 INCHES MINIMUM AND 1.775 INCHES MAXIMUM
SPECIAL FEATURESTHREE HOLES 0.086-64UNF-2B THD,SPACED 120 DEG APART ON PERIPHERY OF EXTERNAL THREAD END.
FSC APPLICATION DATAPERISCOPE,BATTERY COMMAND