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Sem Sphere Ophthalmic Lens Blank NSN 6540-00-926-4778

Item Description

A transparent molded optical element having equal spherical diopter curvatures, an approximate size and shape, and has been ground and polished to a finished curvature on one surface only.

NSN 6540-00-926-4778 NSN: 6540-00-926-4778

Features and Characteristics

Cross Sectional Shape
Sphere
Width
Between 54.0 millimeters and 57.0 millimeters
Diameter
Between 54.0 millimeters and 60.0 millimeters
Thickness
Any acceptable
Material And Location
Glass, soda-lime single vision
Base Curve Diopter
8.50 plus
Cross Curve Diopter
Any acceptable
Light Transmission
Untinted
Sphere Curve Inside Diopter
Any acceptable
Sphere Curve Outside Diopter
8.50 plus
Part Name Assigned By Controlling Agency
Lens blank ophthalmic semifinished spherical plus 8.50 diop bc
Exterior Container Weight
45.00 pounds
Exterior Container Cubic Measure
1.100 cubic feet
Exterior Container Quantity
180
Height
Between 54.0 millimeters and 57.0 millimeters
Intermediate Package Quantity
5
Style Designator
Round-rectangular with rounded corners
Unit Of Issue Cube
0.0061 cubic feet
Unit Of Issue Weight
0.25 pounds
Nondefinitive Specification/std Data
1 type and d class
FSC
6540 Supplies Equipment Ophthalmic Instruments
NIIN
009264778
NSN
6540009264778

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MILL16991
Cage Code:
81349
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7014001000
  • NAICS: 327212
  • SITC: 66595
  • Description: Lens blanks (other than for spectacles) not optically worked, of glass, (optical elements)
  • End Use (Code 12770):
    Other industrial supplies

Q & A

Frequently asked questions for NSN 6540-00-926-4778
What are the manufacturers of nsn 6540009264778?
Does this nsn 6540009264778 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6540009264778
A transparent molded optical element having equal spherical diopter curvatures, an approximate size and shape, and has been ground and polished to a finished curvature on one surface only.
Does nsn 6540009264778 contain any precious metals?
No precious metal content.
Does nsn 6540009264778 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6540009264778?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
30303
FIIG:
A22000
App. Key:
AC
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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