664887-5

View detailed technical data, stock status, and sourcing information for: 664887-5
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-285-4363

Item Name Code

13393

Assigment Date

09/14/1988 (37 years ago)

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

round center hole shape style, 0.329 inches minimum and 0.359 inches maximum hole diameter, 0.048 inches minimum and 0.078 inches maximum thickness, rectangular cross-sectional shape style, round peripheral 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: rectangular
Hole Diameter: 0.329 inches minimum and 0.359 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.048 inches minimum and 0.078 inches maximum
Overall Diameter: 0.673 inches minimum and 0.703 inches maximum
Material: rubber synthetic overall

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
664887-5	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-285-4363?

The FSCG of the NSN 5310-01-285-4363 is 5310

Does the NSN 5310-01-285-4363 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5310-01-285-4363 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 5310-01-285-4363 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-285-4363 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 5310-01-285-4363 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Wed, Sep 14, 1988