NSN 6650-00-621-2930

Part Details | OPTICAL INSTRUMENT LENS

6650-00-621-2930 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: 6650006212930, 1260006212930, 820003, 820003, 820003, 8200003, 6650-00-621-2930, 00-621-2930, 6650006212930, 006212930

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-621-293021884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLET

Cross Reference | NSN 6650-00-621-2930
Part Number Cage Code Manufacturer
6650006212930A00AME.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES
1260006212930SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
82000334870FJW OPTICAL SYSTEMS, INC.
82000394809PLUMMER PRECISION OPTICS CO
82000322255PLX INC.DBA P L X
820000319200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-621-2930
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 DOUBLE CONCAVE
DIAMETER0.965 INCHES MINIMUM AND 0.968 INCHES MAXIMUM
AXIAL THICKNESS0.380 INCHES NOMINAL AND 0.090 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS0.450 INCHES MINIMUM AND 0.490 INCHES MAXIMUM
COMPOUND LENS EDGE THICKNESS0.341 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS-1.202 INCHES AND 0.885 INCHES
ELEMENT RIGHT SURFACE RADIUS-1.202 INCHES AND 8.841 INCHES
EQUIVALENT FOCAL LENGTH2.686 INCHES
BACK FOCAL LENGTH2.231 INCHES
REFRACTION INDEX1.7200 NOMINAL AND 1.5170 NOMINAL
ABBE CONSTANTB29.300$$B64.500
FSC APPLICATION DATARANGEFINDER M17C