Se Bifocal Ophthalmic Lens Blank NSN 6540-01-357-4123

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: 6540-01-357-4123

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Features and Characteristics

Cross Sectional Shape

Sphere

Diameter

71.0 millimeters

Thickness

8.2 millimeters

Material And Location

Glass, soda-lime single vision and glass, barium bifocal

Additional Power Rating In Diopters

1.750 bifocal

Reading Segment Diameter

28.0 millimeters

Reading Segment Height

19.0 millimeters

Base Curve Diopter

10.25 plus

Light Transmission

Untinted

Special Features

Crown, white; straight top segment

Style Designator

Round with straight top bifocal segment

FSC

6540 Supplies Equipment Ophthalmic Instruments

NIIN

013574123

NSN

6540013574123

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

P10.25 BC, P1.75 ADD

Cage Code:

2M126

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 6540-01-357-4123

What are the manufacturers of nsn 6540013574123?

X-cel Optical Company (2M126)

Does this nsn 6540013574123 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6540013574123
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 6540013574123 contain any precious metals?
No precious metal content.

Does nsn 6540013574123 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6540013574123?
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
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