6540-00-001-0331

Find complete technical information, availability, and procurement data for: 6540-00-001-0331
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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

6540-00-001-0331

Item Name Code

04121

Assigment Date

12/17/1971 (54 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, 10.50 plus nominal base curve diopter, 71.0 millimeters minimum diameter, 1.6 millimeters nominal thickness, 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
Diameter: 71.0 millimeters minimum
Thickness: 1.6 millimeters nominal
Base Curve Diopter: 10.50 plus nominal
Light Transmission: untinted
Sphere Curve Inside Diopter: 5.25 plus maximum
Cylinder Curve Inside Diopter: 1.00 minus maximum
Part Name Assigned By Controlling Agency: lens ophthalmic compound plastic plus 5.25 on minus 1.00
Material: plastic single vision
Style Designator: round
Supplementary Features: uncut
Nondefinitive Spec/Std Data: 3 style and b class
Departure From Cited Document: as modified by diameter

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
LENS,P5.25XM1.00,10.5BC,71MM DIA	Compound Ophthalmic Lens

FAQs

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

What is the FSCG of the NSN 6540-00-001-0331?

The FSCG of the NSN 6540-00-001-0331 is 6540

Does the NSN 6540-00-001-0331 have a Schedule B code assigned?

Yes, the Schedule B code is 9001300000

Does NSN 6540-00-001-0331 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 6540-00-001-0331 contain precious materials?

Item does not contain precious metal.

Does NSN 6540-00-001-0331 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 6540-00-001-0331 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Dec 17, 1971