6650-00-382-1912, LENS,OPTICAL INSTRUMENT

6650-00-382-1911 LENS,OPTICAL INSTRUMENT

6650-00-382-1913 LENS,OPTICAL INSTRUMENT

National Stock Number:
6650-00-382-1912

Federal Supply Class:
6650

National Item Identification Number:
003821912

Description:
LENS,OPTICAL INSTRUMENT

Detail:
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.

Manufacturer Information:

265862	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
727236PC1	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
LD172591GP17	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
LD172591PC17	10001	NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
LD172591PC17	53711	NAVAL SEA SYSTEMS COMMAND
G10100	53711	NAVAL SEA SYSTEMS COMMAND

Techincal Specification:

ELEMENT LEFT SURFACE RADIUS	771.3 MILLIMETERS AND -705.7 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS	771.3 MILLIMETERS AND 0.0 MILLIMETERS
ABBE CONSTANT	63.500 AND 46.000
BACK FOCAL LENGTH	196.060 CENTIMETERS OR 120.680 CENTIMETERS
AXIAL THICKNESS	4.0 MILLIMETERS NOMINAL AND 3.0 MILLIMETERS NOMINAL
COMPOUND LENS EDGE THICKNESS	7.0 MILLIMETERS NOMINAL
COMPOUND LENS STYLE	DOUBLET
COMPOUND LENS OVERALL AXIAL THICKNESS	7.0 MILLIMETERS NOMINAL
DIAMETER	20.0 MILLIMETERS NOMINAL
EQUIVALENT FOCAL LENGTH	198.170 CENTIMETERS OR 120.870 CENTIMETERS
INDIVIDUAL LENS STYLE	DOUBLE CONVEX AND PLANO-CONCAVE
MATERIAL DOCUMENT AND CLASSIFICATION	JAN-G-174, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL	GLASS OPTICAL
REFRACTION INDEX	1.5110 NOMINAL AND 1.5838 NOMINAL

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