NSN 6650-00-759-3589

Part Details | OPTICAL INSTRUMENT LENS

6650-00-759-3589 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: 7593589, 6650-00-759-3589, 00-759-3589, 6650007593589, 007593589

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196200-759-358921884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

MENISCUS CONVERGING

MENISCUS CONVERGING

Cross Reference | NSN 6650-00-759-3589
Part Number Cage Code Manufacturer
759358919200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-759-3589
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
DIAMETER1.733 INCHES NOMINAL
AXIAL THICKNESS0.545 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS1.971 INCHES
ELEMENT RIGHT SURFACE RADIUS7.968 INCHES
EQUIVALENT FOCAL LENGTH4.913 INCHES
BACK FOCAL LENGTH4.450 INCHES
REFRACTION INDEX1.5170 NOMINAL
ABBE CONSTANT64.500
FSC APPLICATION DATAPERISCOPE,M20A1