NATO Stock Number
6540-00-926-4716
Sold in multiples of
1 PR
DEMIL
NO
Cross Sectional Shape
Sphere
Diameter
Between 54.0 millimeters and 58.0 millimeters
Thickness
Any acceptable
Material And Location
Glass, soda-lime single vision and glass, barium bifocal
Additional Power Rating In Diopters
2.250 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
Untinted
Sphere Curve Inside Diopter
Any acceptable
Sphere Curve Outside Diopter
Any acceptable
Part Name Assigned By Controlling Agency
Lens blank ophth bifocal semifinished glass+4.25 addl2.25diopter
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