Compound Ophthalmic Lens NSN 6540-00-164-5021

Item Description

A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.

NSN: 6540-00-164-5021

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Features and Characteristics

Cross Sectional Shape

Spherocylinder compound

Width

Between 54.0 millimeters and 60.0 millimeters

Diameter

Between 57.0 millimeters and 65.0 millimeters

Thickness

Any acceptable

Material And Location

Glass, soda-lime single vision

Base Curve Diopter

Any acceptable

Cross Curve Diopter

Any acceptable

Light Transmission

Untinted

Sphere Curve Inside Diopter

Any acceptable

Sphere Curve Outside Diopter

4.25 minus

Cylinder Curve Inside Diopter

Any acceptable

Cylinder Curve Outside Diopter

1.25 plus

Part Name Assigned By Controlling Agency

Lens ophthalmic compound minus 4.25 with plus 1.25

Height

Between 54.0 millimeters and 60.0 millimeters

Intermediate Package Quantity

Style Designator

Round-rectangular with rounded corners

Unit Of Issue Cube

0.0010 cubic feet

Supplementary Features

Uncut

Unit Of Issue Weight

0.10 pounds

Nondefinitive Specification/std Data

2 type and 4 style and f class

Departure From Cited Designator

As modified by dimensions

FSC

6540 Supplies Equipment Ophthalmic Instruments

NIIN

001645021

NSN

6540001645021

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MILL16991

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: 9001300000
NAICS: 339115
SITC: 88411
Description: Contact lenses
End Use (Code 41050):
Cell phones and other household goods, n.e.c.

Q & A

Frequently asked questions for NSN 6540-00-164-5021

What are the manufacturers of nsn 6540001645021?

Military Specifications (81349)

Does this nsn 6540001645021 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6540001645021
A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.

Does nsn 6540001645021 contain any precious metals?
No precious metal content.

Does nsn 6540001645021 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6540001645021?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

04121

FIIG:

A22000

App. Key:

Cond. Code:

Status:

What do you get when you order from nationalstocknumber.org?

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