NSN 6650-00-903-5418

Part Details | OPTICAL INSTRUMENT LENS

6650-00-903-5418 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: 8216007, 6650-00-903-5418, 00-903-5418, 6650009035418, 009035418

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196000-903-541821884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

MENISCUS CONVERGING

MENISCUS CONVERGING

Cross Reference | NSN 6650-00-903-5418
Part Number Cage Code Manufacturer
821600719200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-903-5418
Characteristic Specifications
MATERIAL GLASS OPTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE
SINGLE LENS STYLE MENISCUS CONVERGING
INDIVIDUAL LENS STYLE MENISCUS CONVERGING
DIAMETER2.150 INCHES NOMINAL
AXIAL THICKNESS0.428 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS2.212 INCHES
ELEMENT RIGHT SURFACE RADIUS19.747 INCHES
EQUIVALENT FOCAL LENGTH3.981 INCHES
BACK FOCAL LENGTH3.686 INCHES
FRONT FOCAL LENGTH3.258 INCHES
REFRACTION INDEX1.6200 NOMINAL
ABBE CONSTANT60.300
FSC APPLICATION DATAPERISCOPE,XM44