Se Bifocal Ophthalmic Lens Blank

Model / MPN: MILL36460 | NSN: 6540-00-142-8611

A transparent optical element consisting of a major blank and a bifocal segment. The blank and segment have been pressed in a glass mold to an approximate size and shape, and are ground and polished to a finished diopter curvature on one surface only.

Product Details

NATO Stock Number

6540-00-142-8611

Sold in multiples of

5 PR

DEMIL

Cross Sectional Shape

Sphere

Diameter

65.0 millimeters

Thickness

4.0 millimeters

Material And Location

Glass, soda-lime single vision and glass, barium bifocal

Tinted Area Light Transmittance In Percent

31.0

Additional Power Rating In Diopters

2.000 bifocal

Reading Segment Diameter

25.0 millimeters

Reading Segment Height

17.5 millimeters

Base Curve Diopter

4.25 plus

Cross Curve Diopter

Any acceptable

Light Transmission

Tinted

Sphere Curve Inside Diopter

Any acceptable

Sphere Curve Outside Diopter

Any acceptable

Part Name Assigned By Controlling Agency

Lens blank ophthalmic semifinished bifocal plus 4.25-plus 2.00

Exterior Container Weight

45.00 pounds

Exterior Container Cubic Measure

1.100 cubic feet

Exterior Container Quantity

180

Intermediate Package Quantity

Style Designator

Round with straight top bifocal segment

Unit Of Issue Cube

0.0061 cubic feet

Unit Of Issue Weight

0.25 pounds

Nondefinitive Specification/std Data

1 type and a class

Departure From Cited Designator

As modified by thickness

MILL3 Series Parts

Pricing and Availability

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Se Bifocal Ophthalmic Lens Blank

Pricing and Availability

Certified Quality Assurance

MILL36460 Cross Reference