Sphere Ophthalmic Lens NSN 6540-00-764-2259

Item Description

A transparent optical element having equal spherical diopter curvatures used to correct hyperopic (farsightedness) or myopic (nearsightedness) conditions of the eye.

NSN: 6540-00-764-2259

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Features and Characteristics

Cross Sectional Shape

Sphere

Diameter

Between 52.0 millimeters and 56.0 millimeters

Thickness

Any acceptable

Material And Location

Glass, soda-lime

Special Packaging

Pr of identical lenses

Base Curve Diopter

Between 0.56 plus and 0.68 plus

Cross Curve Diopter

Between 0.56 plus and 0.68 plus

Light Transmission

Untinted

Sphere Curve Inside Diopter

Any acceptable

Sphere Curve Outside Diopter

Any acceptable

Style Designator

Round

Nondefinitive Specification/std Data

2 type and 1 style and e class or 54 size

Departure From Cited Designator

As modified by size

FSC

6540 Supplies Equipment Ophthalmic Instruments

NIIN

007642259

NSN

6540007642259

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MILL16991A

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: 9001901000
NAICS: 333314
SITC: 88419
Description: Lenses, prisms, and mirrors, unmounted, nesoi
End Use (Code 41050):
Cell phones and other household goods, n.e.c.

Q & A

Frequently asked questions for NSN 6540-00-764-2259

What are the manufacturers of nsn 6540007642259?

Military Specifications (81349)

Does this nsn 6540007642259 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6540007642259
A transparent optical element having equal spherical diopter curvatures used to correct hyperopic (farsightedness) or myopic (nearsightedness) conditions of the eye.

Does nsn 6540007642259 contain any precious metals?
No precious metal content.

Does nsn 6540007642259 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6540007642259?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

04122

FIIG:

A22000

App. Key:

Cond. Code:

Status:

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