9-312-2309

View detailed technical data, stock status, and sourcing information for: 9-312-2309
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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

6540-01-089-2390

Item Name Code

04121

Assigment Date

01/29/1980 (46 years ago)

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

untinted light transmission, spherocylinder compound cross-sectional shape style, 2.2 millimeters nominal thickness, 65.0 millimeters minimum diameter, 65.0 millimeters nominal width

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: 65.0 millimeters minimum
Thickness: 2.2 millimeters nominal
Light Transmission: untinted
Sphere Curve Inside Diopter: 5.25 plus maximum
Cylinder Curve Inside Diopter: 1.50 minus maximum
Part Name Assigned By Controlling Agency: lens ophthalmic compound white crown glass +5.25 -1.50
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
9-312-2309	Compound Ophthalmic Lens

FAQs

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

What is the FSCG of the NSN 6540-01-089-2390?

The FSCG of the NSN 6540-01-089-2390 is 6540

Does the NSN 6540-01-089-2390 have a Schedule B code assigned?

Yes, the Schedule B code is 9001300000

Does NSN 6540-01-089-2390 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 6540-01-089-2390 contain precious materials?

Item does not contain precious metal.

Does NSN 6540-01-089-2390 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 6540-01-089-2390 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Tue, Jan 29, 1980