6540-00-655-8609

Find complete technical information, availability, and procurement data for: 6540-00-655-8609
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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

6540-00-655-8609

Item Name Code

19985

Assigment Date

01/01/1963 (63 years ago)

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.

finished finish indicator, 3.250 cross curve in diopters, lap ophthalmic cylindrical c5 cylinder convex iron 3x3.25diopter part name assigned by controlling agency, flat-back base; convex to grind concave special features, 3.000 base curve in diopters

Product Characteristics

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

Base Curve In Diopters: 3.000
Cross Curve In Diopters: 3.250
Finish Indicator: finished
Part Name Assigned By Controlling Agency: lap ophthalmic cylindrical c5 cylinder convex iron 3x3.25diopter
Special Features: flat-back base; convex to grind concave
Material: iron cast overall
Style Designator: cylinder, convex

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
MILL36224	Cylindrical Ophthalmic Lap

FAQs

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

What is the FSCG of the NSN 6540-00-655-8609?

The FSCG of the NSN 6540-00-655-8609 is 6540

Does the NSN 6540-00-655-8609 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6540-00-655-8609 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 6540-00-655-8609 contain precious materials?

Item does not contain precious metal.

Does NSN 6540-00-655-8609 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 6540-00-655-8609 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963