NSN 5855-01-259-8376

Part Details | OPTICAL ELEMENT RETAINING RING

5855-01-259-8376 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: 20016871, 2001687-1, 5855-01-259-8376, 01-259-8376, 5855012598376, 012598376

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
58JUL 22, 198701-259-837622585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5855-01-259-8376
Part Number Cage Code Manufacturer
2001687-196214RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5855-01-259-8376
Characteristic Specifications
MATERIAL STEEL COMP 303
OUTSIDE DIAMETER2.252 INCHES MINIMUM AND 2.262 INCHES MAXIMUM
INTERNAL FLANGE THICKNESS0.025 INCHES NOMINAL
APERTURE DIAMETER1.550 INCHES NOMINAL
MOUNTING CONFIGURATIONFOUR 0.125 IN. DIA. UNTHREADED HOLES
END ITEM IDENTIFICATIONINFRARED DETECTING SET AN/AAQ-15