NATO Stock Number
6540-00-164-4921
Sold in multiples of
5 PR
DEMIL
NO
Cross Sectional Shape
Spherocylinder compound
Width
Between 54.0 millimeters and 60.0 millimeters
Diameter
Between 57.0 millimeters and 65.0 millimeters
Thickness
Any acceptable
Material And Location
Glass, soda-lime single vision
Base Curve Diopter
Any acceptable
Cross Curve Diopter
Any acceptable
Light Transmission
Untinted
Sphere Curve Inside Diopter
Any acceptable
Sphere Curve Outside Diopter
2.50 minus
Cylinder Curve Inside Diopter
Any acceptable
Cylinder Curve Outside Diopter
4.00 plus
Part Name Assigned By Controlling Agency
Lens ophthalmic compound minus 2.50 with plus 4.00
Height
Between 54.0 millimeters and 60.0 millimeters
Intermediate Package Quantity
5
Style Designator
Round-rectangular with rounded corners
Unit Of Issue Cube
0.0010 cubic feet
Supplementary Features
Uncut
Unit Of Issue Weight
0.10 pounds
Nondefinitive Specification/std Data
2 type and 4 style and f class
Departure From Cited Designator
As modified by dimensions