NSN 1240-00-570-9740

Part Details | OPTICAL ELEMENT RETAINING RING

1240-00-570-9740 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: 10545048, 10545048, 1240-00-570-9740, 00-570-9740, 1240005709740, 005709740

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 17, 196800-570-974022585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-570-9740
Part Number Cage Code Manufacturer
1054504889954BAE SYSTEMS CONTROLS INC.
1054504819200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-00-570-9740
Characteristic Specifications
MATERIAL PLASTIC PHENOLIC AND SILICA
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-14, TYPE MFE MIL SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER1.785 INCHES MAXIMUM
MOUNTING CONFIGURATIONNO. 1-72 UNF-1B 2; 0.115 DIA 2