3502-20-28

View detailed technical data, stock status, and sourcing information for: 3502-20-28
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-557-8748

Item Name Code

15938

Assigment Date

10/24/1969 (56 years ago)

0.009 inches minimum and 0.011 inches maximum material thickness, 40.0 rockwell c minimum and 50.0 rockwell c maximum hardness rating, 0.558 inches minimum and 0.568 inches maximum outside diameter, 0.068 inches minimum and 0.088 inches maximum overall height, 0.376 inches minimum and 0.382 inches maximum hole diameter

Product Characteristics

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

Hole Diameter: 0.376 inches minimum and 0.382 inches maximum
Outside Diameter: 0.558 inches minimum and 0.568 inches maximum
Overall Height: 0.068 inches minimum and 0.088 inches maximum
Material Thickness: 0.009 inches minimum and 0.011 inches maximum
Hardness Rating: 40.0 rockwell c minimum and 50.0 rockwell c maximum
Material: steel comp 1050 overall
Material Document And Classification: sae assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response 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
11072597	Spring Tension Washer
3502-20-28	Spring Tension Washer
5310005578748	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-00-557-8748?

The FSCG of the NSN 5310-00-557-8748 is 5310

Does the NSN 5310-00-557-8748 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-557-8748 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 5310-00-557-8748 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-557-8748 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 5310-00-557-8748 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Oct 24, 1969