Product Details | OPTICAL INSTRUMENT LENS

1240-00-757-7954 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.20258550055Night Vision Equipment, Emitted and Reflected Radiation66500063Optical Instruments, Test Equipment, Components and Accessories

Part Alternates: 007577954

Fire Control Equipment | Optical Sighting and Ranging Equipment

Supply Group (FSG) NSN Assign. NIIN
12 00-757-7954

Drawings & Photos | NSN 1240-00-757-7954


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Technical Data | NSN 1240-00-757-7954

Characteristic Specifications
MATERIAL GLASS, OPTICAL, JAN-G-174, GRADE C
COMPOUND LENS STYLE E1 DOUBLET
INDIVIDUAL LENS STYLE D1 DOUBLE CONVEX AND D6 MENISCUS DIVERGING
DIAMETER 1.468 INCHES NOMINAL
AXIAL THICKNESS 0.434 INCHES NOMINAL AND 0.145 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS 0.579 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS 0.460 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS 0.793 INCHES AND -0.709 INCHES
ELEMENT RIGHT SURFACE RADIUS -0.709 INCHES AND -3.284 INCHES
EQUIVALENT FOCAL LENGTH 1.446 INCHES
BACK FOCAL LENGTH 1.281 INCHES
FRONT FOCAL LENGTH 1.006 INCHES
REFRACTION INDEX 1.5170 NOMINAL AND 1.6170 NOMINAL
ABBE CONSTANT 64.500 AND 33.800
III FSC APPLICATION DATA TELESCOPE,INTEGRATED WITH FIRE CONTROL
MANUFACTURERS CODE 19200
DESIGN CONTROL REFERENCE 7577954

Restrictions/Controls & Freight Information | NSN 1240-00-757-7954

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information