NSN 6650-00-152-6537

Part Details | OPTICAL INSTRUMENT LENS

6650-00-152-6537 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: LD172599GP2, 6650-00-152-6537, 00-152-6537, 6650001526537, 001526537

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-152-653721884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLET

Cross Reference | NSN 6650-00-152-6537
Part Number Cage Code Manufacturer
LD172599GP210001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 6650-00-152-6537
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
DIAMETER1.299 INCHES NOMINAL
AXIAL THICKNESS0.335 INCHES NOMINAL AND 0.118 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS0.327 INCHES NOMINAL
EQUIVALENT FOCAL LENGTH4.428 INCHES
BACK FOCAL LENGTH4.501 INCHES
FRONT FOCAL LENGTH4.067 INCHES
REFRACTION INDEX1.5170 NOMINAL AND 1.6490 NOMINAL
ABBE CONSTANTB64.500$$B33.800