NATO Stock Number
6540-00-142-8709
Sold in multiples of
5 PR
DEMIL
NO
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
1.500 bifocal
Reading Segment Diameter
25.0 millimeters
Reading Segment Height
17.5 millimeters
Base Curve Diopter
8.25 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 8.25 plus 1.50
Exterior Container Weight
45.00 pounds
Exterior Container Cubic Measure
1.100 cubic feet
Exterior Container Quantity
180
Intermediate Package Quantity
5
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