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Se Bifocal Ophthalmic Lens Blank NSN 6540-01-374-5860

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 6540-01-374-5860 NSN: 6540-01-374-5860

Features and Characteristics

Diameter
71.0 millimeters
Material And Location
Plastic bifocal
Additional Power Rating In Diopters
3.750 bifocal
Reading Segment Diameter
28.0 millimeters
Reading Segment Height
19.0 millimeters
Light Transmission
Untinted
Part Name Assigned By Controlling Agency
Lens blank ophthalmic bifocal semifinished plas a2 rd 71mm dia
Special Features
8.50 diopter base curve; cr-39, convex; index refraction 1.498 on carrier lens
Style Designator
Round with straight top bifocal segment
FSC
6540 Supplies Equipment Ophthalmic Instruments
NIIN
013745860
NSN
6540013745860

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
P8.50BC,P3.75ADD
Cage Code:
0G0R3
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 6540-01-374-5860
What are the manufacturers of nsn 6540013745860?
Does this nsn 6540013745860 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6540013745860
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 6540013745860 contain any precious metals?
No precious metal content.
Does nsn 6540013745860 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6540013745860?
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
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