1680-00-452-7920

Find complete technical information, availability, and procurement data for: 1680-00-452-7920
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Federal Supply Group

Aerospace Craft Components and Accessories

Federal Supply Classification

1680 Miscellaneous Aircraft Accessories and Components

National Stock Number

1680-00-452-7920

Assigment Date

05/08/1970 (56 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

1680-00-452-7920, no name available

FAQs

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

What is the FSCG of the NSN 1680-00-452-7920?

The FSCG of the NSN 1680-00-452-7920 is 1680

Does the NSN 1680-00-452-7920 have a Schedule B code assigned?

Yes, the Schedule B code is 8803300060

Does NSN 1680-00-452-7920 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 1680-00-452-7920 contain precious materials?

Item does not contain precious metal.

Does NSN 1680-00-452-7920 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 1680-00-452-7920 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, May 8, 1970