NSN 1240-00-079-5185

Part Details | OPTICAL ELEMENT RETAINING RING

1240-00-079-5185 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: 929C956P1, 1240-00-079-5185, 00-079-5185, 1240000795185, 000795185

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12DEC 04, 196700-079-518522585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-079-5185
Part Number Cage Code Manufacturer
929C956P189954BAE SYSTEMS CONTROLS INC.
Technical Data | NSN 1240-00-079-5185
Characteristic Specifications
OUTSIDE DIAMETER4.885 INCHES MINIMUM AND 4.895 INCHES MAXIMUM
INTERNAL FLANGE THICKNESS0.047 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
APERTURE DIAMETER4.090 INCHES MINIMUM AND 4.110 INCHES MAXIMUM
MOUNTING CONFIGURATIONFOUR MOUNTING HOLES