NSN 6650-00-759-3587

Part Details | OPTICAL INSTRUMENT LENS

6650-00-759-3587 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: 7593587, 6650-00-759-3587, 00-759-3587, 6650007593587, 007593587

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196200-759-358721884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

TRIPLET

Cross Reference | NSN 6650-00-759-3587
Part Number Cage Code Manufacturer
759358719200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-759-3587
Characteristic Specifications
MATERIAL GLASS OPTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE
COMPOUND LENS STYLE TRIPLET
INDIVIDUAL LENS STYLE PLANO-CONVEX AND PLANO-CONCAVE AND DOUBLE CONVEX
DIAMETER1.984 INCHES NOMINAL
AXIAL THICKNESS0.414 INCHES NOMINAL AND 0.125 INCHES NOMINAL AND 0.564 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS1.103 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS0.812 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS17.281 INCHES
ELEMENT RIGHT SURFACE RADIUS1.897 INCHES
EQUIVALENT FOCAL LENGTH9.575 INCHES
BACK FOCAL LENGTH10.107 INCHES
REFRACTION INDEX1.5170 NOMINAL AND 1.7200 NOMINAL AND 1.5170 NOMINAL
ABBE CONSTANTB64.500$$B29.300$$B64.500
FSC APPLICATION DATATELESCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT