1240-21-890-7253

Optical Element Retaining Ring

1240218907253 218907253 188560P1

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. View more Optical Element Retaining Ring

1240-21-890-7253 RING,RETAINING,OPTICAL ELEMENT 1240218907253 218907253

Managed by Canada
NSN Created on 28 Aug 1982
Data Last Changed
January 2023
NATO Update Count
1
NATO Data Quality
1240-21-890-7253 RING,RETAINING,OPTICAL ELEMENT 1240218907253 218907253 1/1
NSN 1240-21-890-7253 (Generic Image) 1/1

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188560P1 A cylindrical item having an internally flanged diameter designed to retain a lens or window
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1240-21-890-7253 is a Optical Element Retaining Ring

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