Cylindrical Ophthalmic Lap NSN 6540-00-655-8644

Item Description

A tool with a known surface diopter curvature used in the grinding or polishing of lens blanks to a prescribed surface having unequal radii of curvature.

NSN: 6540-00-655-8644

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Related NSN

Features and Characteristics

Material And Location

Iron, cast

Base Curve In Diopters

3.250

Cross Curve In Diopters

5.250

Finish Indicator

Finished

Part Name Assigned By Controlling Agency

Lap ophthalmic cylindrical c5 cyl convex iron 3.25x5.25diopters

Special Features

Flat-back base; convex surface to grind concave

Style Designator

Cylinder, convex

FSC

6540 Supplies Equipment Ophthalmic Instruments

NIIN

006558644

NSN

6540006558644

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MILL36224

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: 9018500000
NAICS: 339115
SITC: 87225
Description: Other ophthalmic instruments and appliances and parts and accessories
End Use (Code 21610):
Medicinal equipment

Q & A

Frequently asked questions for NSN 6540-00-655-8644

What are the manufacturers of nsn 6540006558644?

Military Specifications (81349)

Does this nsn 6540006558644 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6540006558644
A tool with a known surface diopter curvature used in the grinding or polishing of lens blanks to a prescribed surface having unequal radii of curvature.

Does nsn 6540006558644 contain any precious metals?
No precious metal content.

Does nsn 6540006558644 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6540006558644?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

19985

FIIG:

A22000

App. Key:

Cond. Code:

Status:

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