6540-01-685-9785

Find complete technical information, availability, and procurement data for: 6540-01-685-9785
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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

6540-01-685-9785

Item Name Code

04121

Assigment Date

01/24/2020 (6 years ago)

An expandable item designed to maintain the aerodynamics of the fuselage during wing sweeps. It is inflated using engine bleed air when the wings are swept in and out.

1.4 millimeters nominal thickness, lens,ophthalmic,polycarbonate sphere 6.50. cross sectional shape/style: sphere, diameter: 70.0 mm minimum, thickness: 1.4 mm nominal, material and locatio: poly single vision base curve diopter, feature: uncut. special features, lens,ophthalmic,polycarbonate 6.50 sphere part name assigned by controlling agency, 70.0 millimeters minimum diameter, plastic single vision material

Product Characteristics

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

Diameter: 70.0 millimeters minimum
Thickness: 1.4 millimeters nominal
Part Name Assigned By Controlling Agency: lens,ophthalmic,polycarbonate 6.50 sphere
Special Features: lens,ophthalmic,polycarbonate sphere 6.50. cross sectional shape/style: sphere, diameter: 70.0 mm minimum, thickness: 1.4 mm nominal, material and locatio: poly single vision base curve diopter, feature: uncut.
Material: plastic single vision

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
1559814	Compound Ophthalmic Lens
6540NCM195731	Compound Ophthalmic Lens
CSVFM650	Compound Ophthalmic Lens

FAQs

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

What is the FSCG of the NSN 6540-01-685-9785?

The FSCG of the NSN 6540-01-685-9785 is 6540

Does the NSN 6540-01-685-9785 have a Schedule B code assigned?

Yes, the Schedule B code is 9001300000

Does NSN 6540-01-685-9785 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 6540-01-685-9785 contain precious materials?

Item does not contain precious metal.

Does NSN 6540-01-685-9785 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 6540-01-685-9785 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Fri, Jan 24, 2020