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Se Bifocal Ophthalmic Lens Blank NSN 6540-01-375-4079

Item Description

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.

NSN 6540-01-375-4079 NSN: 6540-01-375-4079

Features and Characteristics

Diameter
71.0 millimeters
Thickness
9.0 millimeters
Material And Location
Plastic bifocal
Additional Power Rating In Diopters
3.250 bifocal
Reading Segment Diameter
35.0 millimeters
Reading Segment Height
22.0 millimeters
Base Curve Diopter
6.50 plus
Light Transmission
Untinted
Part Name Assigned By Controlling Agency
Lens blank ophthalmic bifocal semifinished plas +6.5 cr-39 71mm
Special Features
Cr-39; convex
Style Designator
Round with straight top bifocal segment
FSC
6540 Supplies Equipment Ophthalmic Instruments
NIIN
013754079
NSN
6540013754079

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
P6.50 BC, P3.25 ADD 35 F.T.
Cage Code:
0G0R3
Status:
A
MSDS:
Part Number:
6.5BC,3.25ADD,35MM FT, CR39,71MM
Cage Code:
3N062
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 6540-01-375-4079
What are the manufacturers of nsn 6540013754079?
Does this nsn 6540013754079 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6540013754079
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.
Does nsn 6540013754079 contain any precious metals?
No precious metal content.
Does nsn 6540013754079 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6540013754079?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
30300
FIIG:
A22000
App. Key:
AF
Cond. Code:
1
Status:
A

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