Compound Ophthalmic Lens NSN 6540-00-164-4684

Item Description

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

NSN: 6540-00-164-4684

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Features and Characteristics

Cross Sectional Shape

Spherocylinder compound

Width

Between 52.0 millimeters and 60.0 millimeters

Diameter

Between 54.0 millimeters and 65.0 millimeters

Thickness

2.0 millimeters

Material And Location

Glass, soda-lime single vision

Base Curve Diopter

4.25 plus

Cross Curve Diopter

0.25 plus

Light Transmission

Untinted

Part Name Assigned By Controlling Agency

Lens ophthalmic compound plus 4.25 with plus 0.25

Height

Between 52.0 millimeters and 60.0 millimeters

Style Designator

Round-rectangular with rounded corners

Supplementary Features

Uncut

Nondefinitive Specification/std Data

2 type and 3 style and f class

Departure From Cited Designator

As modified by diameter

FSC

6540 Supplies Equipment Ophthalmic Instruments

NIIN

001644684

NSN

6540001644684

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 6540-00-164-4684

What are the manufacturers of nsn 6540001644684?

Military Specifications (81349)

Does this nsn 6540001644684 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6540001644684
A transparent optical element having a spherical curve and a cylindrical curve used to correct vision defects of the eye.

Does nsn 6540001644684 contain any precious metals?
No precious metal content.

Does nsn 6540001644684 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6540001644684?
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:

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