NSN 1240-01-068-2422

Part Details | OPTICAL ELEMENT RETAINING RING

1240-01-068-2422 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: 048132, 957C048132, 12266932, 1240-01-068-2422, 01-068-2422, 1240010682422, 010682422

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12NOV 18, 197801-068-242222585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-068-2422
Part Number Cage Code Manufacturer
04813234228L3 TECHNOLOGIES, INC.DBA L3 KEO
957C04813234228L3 TECHNOLOGIES, INC.DBA L3 KEO
1226693219207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 1240-01-068-2422
Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING
THREAD LOCATION INTERNAL
THREAD SIZE3 1/2-36
SCREW THREAD SERIES DESIGNATOR UNS
THREAD PITCH DIAMETERS+3.4820 TO +3.4867 INCHES
THREAD DIRECTION RIGHT-HAND
OUTSIDE DIAMETER3.750 INCHES NOMINAL
INTERNAL FLANGE THICKNESS0.030 INCHES NOMINAL
APERTURE DIAMETER3.470 INCHES MINIMUM AND 3.477 INCHES MAXIMUM