NSN 1240-00-676-2179

Part Details | OPTICAL ELEMENT RETAINING RING

1240-00-676-2179 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: 1240006762179, 8574769, 1240-00-676-2179, 00-676-2179, 1240006762179, 006762179

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196300-676-217922585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-676-2179
Part Number Cage Code Manufacturer
1240006762179A00AME.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES
857476919200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-00-676-2179
Characteristic Specifications
MATERIAL STEEL COMP 1212
OUTSIDE DIAMETER2.875 INCHES NOMINAL
INTERNAL FLANGE THICKNESS0.188 INCHES NOMINAL
APERTURE DIAMETER2.250 INCHES NOMINAL