NSN 6650-00-382-1916

Part Details | OPTICAL INSTRUMENT LENS

6650-00-382-1916 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: LD172591PC28, LD172591GP28, LD172591PC28, LD172591GP28, 6650-00-382-1916, 00-382-1916, 6650003821916, 003821916

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-382-191621884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLET

Cross Reference | NSN 6650-00-382-1916
Part Number Cage Code Manufacturer
LD172591PC2810001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
LD172591GP2810001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
LD172591PC2853711NAVAL SEA SYSTEMS COMMAND
LD172591GP2853711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 6650-00-382-1916
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 MENISCUS DIVERGING
DIAMETER0.866 INCHES NOMINAL
AXIAL THICKNESS0.256 INCHES NOMINAL AND 0.091 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS0.347 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS0.263 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS-1.161 INCHES AND 0.291 INCHES
ELEMENT RIGHT SURFACE RADIUS-1.161 INCHES AND -3.824 INCHES
EQUIVALENT FOCAL LENGTH2.402 INCHES
BACK FOCAL LENGTH2.091 INCHES
FRONT FOCAL LENGTH2.524 INCHES
REFRACTION INDEX1.5730 NOMINAL AND 1.6490 NOMINAL
ABBE CONSTANTB57.400$$B33.800
FSC APPLICATION DATAFIRE CONTROL,RANGFINDER,MK 57