6650-00-143-1557 LENS,OPTICAL INSTRUMENT Index 6650-00-143-1559 LENS,OPTICAL INSTRUMENT

National Stock Number:
6650-00-143-1558

Federal Supply Class:
6650

National Item Identification Number:
001431558

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:
116772-610001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
116772-653711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
ABBE CONSTANT58.600
AXIAL THICKNESS0.090 INCHES NOMINAL
BACK FOCAL LENGTH0.993 INCHES
DIAMETER0.511 INCHES NOMINAL
EQUIVALENT FOCAL LENGTH0.993 INCHES
FRONT FOCAL LENGTH0.912 INCHES
FSC APPLICATION DATA1. FIRE CONTROL,TELESCOPE MK 8,MOD 0,3,6
INDIVIDUAL LENS STYLEPLANO-CONVEX
MATERIAL DOCUMENT AND CLASSIFICATIONJAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALGLASS OPTICAL
SINGLE LENS STYLEPLANO-CONVEX
REFRACTION INDEX1.5230 NOMINAL


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