1240-12-318-3248

Optical Element Retaining Ring

1240123183248 123183248 171-02/64449

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

Managed by Germany

NSN Created on 30 Jun 1989

Data Last Changed
January 2023

NATO Update Count
1

NATO Data Quality

1240-12-318-3248 RING,RETAINING,OPTICAL ELEMENT 1240123183248 123183248 1/1 — NSN 1240-12-318-3248 (Generic Image) 1/1

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1240-12-148-6375 Ring Spacer 1240121486375 121486375

1240-12-148-6375 1240121486375 121486375 is a circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. it has a solid cross-section and two flat parallel bearing surfaces. the distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. the diameter of the centrally located hole must exceed 75 percent of the outside diameter. excludes laminated items. for items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. for items manufactured from lubricated plastics, see bearing, washer, thrust. for items manufactured from lubricated felt, see felt, mechanical, preformed. excludes disk, valve; insulator washer; and shim. see also spacer, plate and spacer, sleeve.

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Optical Sighting and Ranging Equipment from Germany (DE)

DAC: 3 30 Aug 1983 1240-12-166-1491 Hebel 1264-1311.212RNCC: 2 | RNVC: 2 | DAC: 4 10 Aug 1976 1240-12-318-3248

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Optical Element Retaining Ring (INC 22585)

199-6574 Optical Element Retaining Ring 330111-1024.000RNCC: 3 | RNVC: 2 | DAC: 2 19 May 1984 1240-12-318-3248

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Eltro Gmbhgesellschaft Fuer (CAGE Code D3777)

12-185-8843 Compression Helical Spring 5800358-124000-12RNCC: 5 | RNVC: 9 | DAC: 1 6 Nov 1980 1240-12-318-3248