Ophthalmic Lens Blocking Unit NSN 6540-00-494-1852

Item Description

An item consisting of a blocker, designed to center and affix an ophthalmic lens blank to a prepitched lens block, and a preheating oven.

NSN: 6540-00-494-1852

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Related NSN

Features and Characteristics

Current Type

Frequency Rating

60.0 hertz

Accessory Components

Integral melting pot

Accessory Components And Quantity

Adapter, water ring, for colored lenses 1; alloy blocking, for glass lenses 100 lb; block, 6 diopter base curve 75; block, 8 diopter base curve 25; block, 12 diopter base curve 4; center hard steel 100; deblocker, regular 2; gage, prism 2 sets; pre-coat spray 24 cans; ring, lens position 22; ring, nesting, neoprene 6

Voltage Rating

220.0 pounds per hour wet

Design Type

Low melting point alloy blocking

Thermostatic Control

Included

Blocking Table Quantity

Blocking Table Type

Nontilting

Blocking Table Protractor

Not included

Lens Chuck Type

Mechanical

Preheating Unit Type

Reclaim tank

Audible Timing Device

Not included

Preheating Unit Thermostatic Control

Not included

Supplementary Features

Requisition should state frequency of electrical current, number of wires in distribution system, whether single phase or three phase, and voltage

FSC

6540 Supplies Equipment Ophthalmic Instruments

NIIN

004941852

NSN

6540004941852

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

Cage Code:

31285

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 6540-00-494-1852

What are the manufacturers of nsn 6540004941852?

Gerber Coburn Optical Industries Inc (31285)

Does this nsn 6540004941852 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6540004941852
An item consisting of a blocker, designed to center and affix an ophthalmic lens blank to a prepitched lens block, and a preheating oven.

Does nsn 6540004941852 contain any precious metals?
No precious metal content.

Does nsn 6540004941852 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6540004941852?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

20929

FIIG:

T146-G

App. Key:

Cond. Code:

Status:

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