Se Bifocal Ophthalmic Lens Blank NSN 6540-01-374-5857

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: 6540-01-374-5857

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Features and Characteristics

Diameter

71.0 millimeters

Material And Location

Plastic bifocal

Additional Power Rating In Diopters

3.000 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

013745857

NSN

6540013745857

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

P8.50BC,P3.00ADD

Cage Code:

0G0R3

Status:

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 6540-01-374-5857

What are the manufacturers of nsn 6540013745857?

Silor Optical Of Florida Inc (0G0R3)

Does this nsn 6540013745857 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6540013745857
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 6540013745857 contain any precious metals?
No precious metal content.

Does nsn 6540013745857 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6540013745857?
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:

Cond. Code:

Status:

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