89-6-19-63

Se Bifocal Ophthalmic Lens Blank

NSN 6540-01-311-1090

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 PR
NIIN:
013111090

Product Features

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

Technical Specifications of NSN

Cross Sectional Shape:
Sphere
Diameter:
66.0 millimeters
Thickness:
10.0 millimeters
Material And Location:
Plastic
Additional Power Rating In Diopters:
1.750 bifocal
Reading Segment Diameter:
25.0 millimeters
Reading Segment Height:
17.500 inches
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
Style Designator:
Round with straight top bifocal segment
NSN:
6540-01-311-1090
Item Name:
Lens Blank,ophthalmic,bifocal,se
Cage Code:
66732

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
P4.25 BC P1.75 ADD
Cage Code:
0FWW0
RNCC:
3
RNVC:
2
RNAAC:
KX
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
30300
FIIG:
A22000
Concept No.:
App. Key:
AF
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
MPPWN00001
SPI Rev.:
SPC Mkg:
ZZ
LVL_A:
Z
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
057940
UFC:
33020
LTL:
RATING VARIABLE
LCL:
--
WCC:
744
TCC:
Z
SHC:
9
ACC:
Medical Supplies

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Se Bifocal Ophthalmic Lens Blank"

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.

Import / Export
  • Schedule B: 7014001000
  • SITC: 66595
  • End Use: Other industrial supplies
  • NAICS: 327212
  • USDA: 1

Classification: Lens blanks (other than for spectacles) not optically worked, of glass, (optical elements)


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