NSN 1240-01-076-2064

Part Details | OPTICAL ELEMENT RETAINING RING

1240-01-076-2064 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.

Alternate Parts: 122665072, 12266507-2, 122665072, 12266507-2, 1240-01-076-2064, 01-076-2064, 1240010762064, 010762064

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12MAY 03, 197901-076-206422585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-076-2064
Part Number Cage Code Manufacturer
12266507-220418DRS SUSTAINMENT SYSTEMS, INC.Use CAGE Code 98255 for cataloging
12266507-219207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 1240-01-076-2064
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 6061
OUTSIDE DIAMETER4.437 INCHES NOMINAL
INTERNAL FLANGE THICKNESS0.187 INCHES NOMINAL
APERTURE DIAMETER3.674 INCHES NOMINAL
SPECIAL FEATURESRETAINER,SEAL DIOPTER RING,USED ON RIGHT SIDE; 7 HOLES EQUALLY SPACED,0.093 DIA THRU,0.187 DIA COUNTERBORE X 0.050 DEEP