6650-00-962-2246 SPACER,OPTICAL ELEMENT Index 6650-01-056-0978 LENS,OPTICAL INSTRUMENT

National Stock Number:
6650-00-962-3069

Federal Supply Class:
6650

National Item Identification Number:
009623069

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:
110006512705BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION I
110006594117BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.
13204E827612705BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION I
13204E827694117BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.
13204E827697403CECOM LR CENTER
SCC61461780063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
ELEMENT RIGHT SURFACE RADIUS1.851 INCHES AND 6.134 INCHES
ELEMENT LEFT SURFACE RADIUS6.134 INCHES AND 1.851 INCHES
ABBE CONSTANT6.200 AND 27.700
AXIAL THICKNESS0.150 INCHES NOMINAL AND 0.410 INCHES NOMINAL
COMPOUND LENS EDGE THICKNESS0.875 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS0.561 INCHES NOMINAL
COMPOUND LENS STYLEDOUBLET
DIAMETER1.395 INCHES NOMINAL
INDIVIDUAL LENS STYLEMENISCUS DIVERGING AND PLANO-CONVEX
LENGTH0.561 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174,GRADE C,TYPE 697-562 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-G-174,GRADE C,TYPE 751-277 MIL SPEC 2ND MATERIAL RESPONSE
MATERIALGLASS OPTICAL
REFRACTION INDEX1.6970 NOMINAL AND 1.7510 NOMINAL
SPECIAL FEATURESEQUIVALENT FOCAL LG 4.916; BACK FOCAL LG 4.753; FRONT FOCAL LG 4.745


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