1240-21-887-4474

Optical Element Retaining Ring

1240218874474 218874474 303376 C55-11.01-45

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 Canada

NSN Created on 6 Feb 1982

Data Last Changed
January 2023

NATO Update Count
1

NATO Data Quality

1240-21-887-4474 RING,RETAINING,OPTICAL ELEMENT 1240218874474 218874474 1/1 — NSN 1240-21-887-4474 (Generic Image) 1/1

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1240-21-887-4474 Optical Element Retaining Ring 1240218874474

303376 C55-11.01-45 A cylindrical item having an internally flanged diameter designed to retain a lens
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6650-21-920-8534 Optical Element Retaining Ring 6650219208534

6650331030147 (UK) 4. 6920-99-499-8042 Ring 6650219208534 Retaining Ring 6650270241887 -9453 1240 -21-887-4474
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1240-21-887-4474 is a Optical Element Retaining Ring

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Approved Sources 1240-21-887-4474

Part Number
Manufacturer
Status
303376: 35907 - Department Of National Defence, (Active); Primary Buy; RNCC 3 RNVC 2 DAC 2
303376: 36126 - Raytheon Canada Limited (Active); Primary Buy; RNCC 3 RNVC 2 DAC 4
C55-11.01-45: 36126 - Raytheon Canada Limited (Active); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 2

NATO Stock Numbers Related to 1240-21-887-4474

6650-33-103-0147 6650-14-520-9504 1240-14-448-2580 6650-27-011-0457 1240-14-418-0637 5855-27-008-8613 1240-14-334-4725 1240-14-437-0281 1240-14-330-9708 1240-14-421-6111 5855-27-018-2771 6760-12-314-9732 6650-99-342-0962 6650-21-920-8534 6650-12-344-9453 1240-21-887-4474 6650-27-024-1887 6650-25-136-4592