Part Number 89-6-19-63

Se Bifocal Ophthalmic Lens Blank

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
89-6-19-63
Demil:
No
Shelf Life:
UOM:
NIIN:
013111090

Part Information
Matl cr-39; flat top; segment positioned 5 mm below and 5 mm in from geometric center for right and left lenses, plus or minus 2 mm

NSN
National Stock Number:
6540-01-311-1090 6540013111090
TXT
Description:
Se Bifocal Ophthalmic Lens Blank
INC
INC
Item Name Code:
30300
MRC:
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.AAGR
Cross Sectional Shape:
Sphere
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the circumference.ABMZ
Diameter:
66.0 millimeters
MRC:
A measurement of the smallest dimension of an item,in distinction from length or width.ABNM
Thickness:
10.0 millimeters
MRC:
The element,compound,or mixture of which the item is fabricated,excluding and surface treatment,and its location.AKEL
Material And Location:
Plastic
MRC:
A section and/or sections of ophthalmic glass with a higher index of refraction which has been added to the major lens,expressed in diopters.AKQM
Additional Power Rating In Diopters:
1.750 bifocal
MRC:
None.AKQV
Reading Segment Diameter:
25.0 millimeters
MRC:
None.AKQW
Reading Segment Height:
17.500 inches
MRC:
A measurement of the base curve,expressed in diopters.AKQZ
Base Curve Diopter:
4.25 plus
MRC:
A measurement of the cross curve,expressed in diopters.AKRA
Cross Curve Diopter:
Any acceptable
MRC:
An indication of the light transmittance character of the item.AKZS
Light Transmission:
Untinted
MRC:
None.CWMT
Sphere Curve Inside Diopter:
Any acceptable
MRC:
None.CWND
Sphere Curve Outside Diopter:
Any acceptable
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Round with straight top bifocal segment

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