NSN 6650-01-286-1930

Part Details | OPTICAL ELEMENT RETAINING RING

6650-01-286-1930 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: 5525862, 6650-01-286-1930, 01-286-1930, 6650012861930, 012861930

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66SEP 28, 198801-286-193022585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6650-01-286-1930
Part Number Cage Code Manufacturer
552586253711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 6650-01-286-1930
Characteristic Specifications
MATERIAL COPPER ALLOY
THREAD LOCATION INTERNAL
THREAD SIZE1 5/8-16
SCREW THREAD SERIES DESIGNATOR UNS
THREAD CLASS3B
THREAD LENGTH0.375 INCHES
END ITEM IDENTIFICATIONGUN MOUNT,MK-75