3990-01-449-8788

Find complete technical information, availability, and procurement data for: 3990-01-449-8788
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Federal Supply Group

Materials Handling Equipment

Federal Supply Classification

3990 Miscellaneous Materials Handling Equipment

National Stock Number

3990-01-449-8788

Item Name Code

39994

Assigment Date

10/18/1997 (28 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.

3990-01-449-8788, storage and retrieval material s

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
HZ1 04 5242 190	Storage and Retrieval Material S

FAQs

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

What is the FSCG of the NSN 3990-01-449-8788?

The FSCG of the NSN 3990-01-449-8788 is 3990

Does NSN 3990-01-449-8788 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 3990-01-449-8788 contain precious materials?

Item does not contain precious metal.

Does NSN 3990-01-449-8788 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 3990-01-449-8788 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Sat, Oct 18, 1997