6540-01-089-5544

Find complete technical information, availability, and procurement data for: 6540-01-089-5544
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Federal Supply Group

Medical, Dental, and Veterinary Equipment and Supplies

Federal Supply Classification

6540 Supplies, Equipment and Ophthalmic Instruments

National Stock Number

6540-01-089-5544

Item Name Code

04121

Assigment Date

02/04/1980 (46 years ago)

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

65.0 millimeters nominal width, 56.0 millimeters minimum diameter, 2.2 millimeters nominal thickness, 5.75 plus nominal base curve diopter, spherocylinder compound cross-sectional shape style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style: spherocylinder compound
Width: 65.0 millimeters nominal
Diameter: 56.0 millimeters minimum
Thickness: 2.2 millimeters nominal
Base Curve Diopter: 5.75 plus nominal
Cross Curve Diopter: 2.00 minus nominal
Light Transmission: untinted
Part Name Assigned By Controlling Agency: lens ophthalmic compound white crown glass +5.75 -2.00
Height: 68.0 millimeters nominal
Material: glass single vision
Style Designator: round-rectangular with rounded corners
Supplementary Features: uncut

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
9-312-2334	Compound Ophthalmic Lens

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 6540-01-089-5544?

The FSCG of the NSN 6540-01-089-5544 is 6540

Does the NSN 6540-01-089-5544 have a Schedule B code assigned?

Yes, the Schedule B code is 9001300000

Does NSN 6540-01-089-5544 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 6540-01-089-5544 contain precious materials?

Item does not contain precious metal.

Does NSN 6540-01-089-5544 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 6540-01-089-5544 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Mon, Feb 4, 1980