NSN 5855-01-039-2842
Optical Element Retaining RingPricing & Availability Check
Submit this form for stock availability and pricing.Product Definition Definition of approved item name (AIN): "RING,RETAINING,OPTICAL ELEMENT"
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.
5855-01-039-2842 Spec. NSN part characteristics
Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM
Identification Item Identification Guide (IIG) and Item Name Code (INC)
Special material and handling
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Item does not contain precious metal.
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Import and Export
Schedule B Codes Definitions:
Parts & Accessories For Direction Finding Compasses and Other Navigational Instruments and Appliances
Marine Engines, Parts
Parts and Accessories Of Navigational Instruments and Appliances
National motor freight and handling
Freight Codes Definitions:
No special type of cargo code applicable.
Instruments, scientific.
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps).
Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Other or no special handling required (sh)