Sem Sphere Ophthalmic Lens Blank NSN 6540-00-142-8604

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: 6540-00-142-8604

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Features and Characteristics

Cross Sectional Shape

Sphere

Diameter

58.0 millimeters

Thickness

4.0 millimeters

Material And Location

Glass, soda-lime single vision

Tinted Area Light Transmittance In Percent

31.0

Base Curve Diopter

6.25 plus

Cross Curve Diopter

Any acceptable

Light Transmission

Tinted

Sphere Curve Inside Diopter

Any acceptable

Sphere Curve Outside Diopter

6.25 plus

Part Name Assigned By Controlling Agency

Lens blank ophthalmic semifinished spherical plus 6.25 plus 6.25

Exterior Container Weight

45.00 pounds

Exterior Container Cubic Measure

1.100 cubic feet

Exterior Container Quantity

180

Intermediate Package Quantity

Style Designator

Round

Unit Of Issue Cube

0.0061 cubic feet

Unit Of Issue Weight

0.25 pounds

Nondefinitive Specification/std Data

1 type and b class

Departure From Cited Designator

As modified by thickness

FSC

6540 Supplies Equipment Ophthalmic Instruments

NIIN

001428604

NSN

6540001428604

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MILL36460

Cage Code:

81349

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 6540-00-142-8604

What are the manufacturers of nsn 6540001428604?

Military Specifications (81349)

Does this nsn 6540001428604 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6540001428604
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 6540001428604 contain any precious metals?
No precious metal content.

Does nsn 6540001428604 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6540001428604?
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:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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