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National Stock Number:
6650-00-026-8134
Federal Supply Class:
6650
National Item Identification Number:
000268134
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.
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Manufacturer Information:
| 278702-10 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 278702PC10 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| ELEMENT RIGHT SURFACE RADIUS | -13.255 INCHES AND -125.539 INCHES | | ELEMENT LEFT SURFACE RADIUS | -13.255 INCHES AND 15.066 INCHES | | ABBE CONSTANT | 64.500 AND 36.600 | | AXIAL THICKNESS | 0.315 INCHES NOMINAL AND 0.236 INCHES NOMINAL | | BACK FOCAL LENGTH | 31.212 INCHES | | COMPOUND LENS EDGE THICKNESS | 0.503 INCHES NOMINAL | | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.551 INCHES NOMINAL | | COMPOUND LENS STYLE | DOUBLET | | DIAMETER | 2.440 INCHES NOMINAL | | EQUIVALENT FOCAL LENGTH | 31.656 INCHES | | FRONT FOCAL LENGTH | 31.555 INCHES | | FSC APPLICATION DATA | FIRE CONTROL,RANGE FINDER MK 37 MOD 5 | | INDIVIDUAL LENS STYLE | DOUBLE CONVEX AND MENISCUS DIVERGING | | MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | REFRACTION INDEX | 1.5170 NOMINAL AND 1.6170 NOMINAL |
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