NSN 5855-01-165-2177

Part Details | OPTICAL ELEMENT RETAINING RING

5855-01-165-2177 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: SMD850408, SM-D-850408, SMD850408, SM-D-850408, SMD850408, SM-D-850408, 5855-01-165-2177, 01-165-2177, 5855011652177, 011652177

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
58OCT 27, 198301-165-217722585 ( RING, RETAINING, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5855-01-165-2177
Part Number Cage Code Manufacturer
SM-D-85040827777L3 TECHNOLOGIES, INC.DBA INSIGHT TECHNOLOGY DIVISION
SM-D-8504085V179MD3 INDUSTRIES, LTD.DBA EMPIRE PRECISION MACHINING
SM-D-85040880063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 5855-01-165-2177
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 6061
THREAD LOCATION INTERNAL
OUTSIDE DIAMETER2.060 INCHES NOMINAL
INTERNAL FLANGE THICKNESS0.125 INCHES NOMINAL
APERTURE DIAMETER1.840 INCHES NOMINAL
FSC APPLICATION DATANIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION