NSN 6650-01-170-4379

Part Details | OPTICAL INSTRUMENT LENS

6650-01-170-4379 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: 13074890, 13074890, 6650-01-170-4379, 01-170-4379, 6650011704379, 011704379

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 24, 198401-170-437921884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLE CONCAVE

DOUBLE CONCAVE

Cross Reference | NSN 6650-01-170-4379
Part Number Cage Code Manufacturer
1307489004939LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
1307489058260PROGRAM MANAGER ADVANCED ATTACKHELICOPTER BARCOM AMCPM-AAH
Technical Data | NSN 6650-01-170-4379
Characteristic Specifications
SINGLE LENS STYLE DOUBLE CONCAVE
DIAMETER1.468 INCHES NOMINAL
AXIAL THICKNESS0.335 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS1.779 INCHES
ELEMENT RIGHT SURFACE RADIUS1.779 INCHES
REFRACTION INDEX1.7847 NOMINAL
ABBE CONSTANT26.080