NSN 6650-00-757-5134

Part Details | OPTICAL INSTRUMENT LENS

6650-00-757-5134 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: 7575134, 6650-00-757-5134, 00-757-5134, 6650007575134, 007575134

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196200-757-513421884 ( LENS, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES

DOUBLE CONVEX

DOUBLE CONVEX

Cross Reference | NSN 6650-00-757-5134
Part Number Cage Code Manufacturer
757513419200US ARMY ARDEC RDECOM
Technical Data | NSN 6650-00-757-5134
Characteristic Specifications
MATERIAL GLASS OPTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE
SINGLE LENS STYLE DOUBLE CONVEX
INDIVIDUAL LENS STYLE DOUBLE CONVEX AND MENISCUS DIVERGING
DIAMETER1.634 INCHES NOMINAL
AXIAL THICKNESS0.343 INCHES NOMINAL
ELEMENT LEFT SURFACE RADIUS2.701 INCHES
ELEMENT RIGHT SURFACE RADIUS3.442 INCHES
EQUIVALENT FOCAL LENGTH2.506 INCHES
BACK FOCAL LENGTH2.385 INCHES
REFRACTION INDEX1.6170 NOMINAL
ABBE CONSTANT55.000
FSC APPLICATION DATAPERISCOPE M15,INTEGRATED WITH FIRE CONTROL EQUIPMENT