NSN 6650-00-152-6538

Part Details | OPTICAL INSTRUMENT LENS

6650-00-152-6538 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: LD172599GP3, 6650-00-152-6538, 00-152-6538, 6650001526538, 001526538

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-152-653821884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLET

Cross Reference | NSN 6650-00-152-6538
Part Number Cage Code Manufacturer
LD172599GP310001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 6650-00-152-6538
Characteristic Specifications
MATERIAL GLASS OPTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE
COMPOUND LENS STYLE DOUBLET
INDIVIDUAL LENS STYLE DOUBLE CONVEX AND PLANO-CONCAVE
DIAMETER0.906 INCHES NOMINAL
AXIAL THICKNESS0.158 INCHES NOMINAL AND 0.098 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS0.256 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS0.219 INCHES NOMINAL
EQUIVALENT FOCAL LENGTH5.218 INCHES
BACK FOCAL LENGTH5.227 INCHES
FRONT FOCAL LENGTH5.049 INCHES
REFRACTION INDEX1.5740 NOMINAL AND 1.6210 NOMINAL
ABBE CONSTANTB57.700$$B36.200
FSC APPLICATION DATAFIRE CONTROL,BORESIGHT MK 30 MOD 0