NSN 6650-01-503-4458

Part Details | OPTICAL INSTRUMENT LENS

6650-01-503-4458 An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see WINDOW, OPTICAL INSTRUMENT. Excludes RETICLE, OPTICAL INSTRUMENT.

Alternate Parts: 7350674, 6650-01-503-4458, 01-503-4458, 6650015034458, 015034458

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66DEC 18, 200201-503-445821884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

MENISCUS CONVERGING

MENISCUS CONVERGING

Cross Reference | NSN 6650-01-503-4458
Part Number Cage Code Manufacturer
735067453711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 6650-01-503-4458
Characteristic Specifications
MATERIAL GLASS
SINGLE LENS STYLE MENISCUS CONVERGING
DIAMETER50.000 MILLIMETERS NOMINAL
AXIAL THICKNESS2.794 MILLIMETERS NOMINAL
REFRACTION INDEX1.5860 NOMINAL
SPECIAL FEATURESFRONT CURVE +2.94 DIOPTER; BACK CURVE -1.62 DIOPTER; COATING COBURN HT825 OR EQUAL; DIOPTER LENS +1.5
END ITEM IDENTIFICATIONFC33 EYEBOX