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MIL1801

Optical Instrument Lens

Model / MPN: MIL1801 | NSN: 6650-00-210-4387

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.

Product Details

NATO Stock Number

6650-00-210-4387

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

Diameter

Between 2.046 inches and 2.047 inches

Axial Thickness

0.630 inches and 0.118 inches

Compound Lensaxial Thickness

0.74803 inches

Compound Lens Edge Thickness

0.441 inches

Equivalent Focal Length

9.541 inches

Back Focal Length

8.445 inches

Front Focal Length

10.231 inches

Refraction Index

1.5170 and 1.7200

Abbe Constant

64.500 and 29.300

Compound Lens Style

Doublet

Individual Lens Style

Double convex and double concave

Element Left Surface Radius

-2.047 inches and 2.047 inches

Element Right Surface Radius

-2.047 inches and 11.100 inches

Material

Glass, optical, mil-g-174, class 1, grade b

Material

Glass, optical, mil-g-174, class 1, grade b

Fsc Application Data

Optical sighting and ranging equipment

MIL18 Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

MIL1801 Cross Reference

1049120