WS-5-20

View detailed technical data, stock status, and sourcing information for: WS-5-20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-456-9751

Item Name Code

13393

Assigment Date

07/06/1998 (28 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

round center hole shape style, rectangular cross-sectional shape style, round peripheral shape style, 0.018 inches minimum and 0.022 inches maximum thickness, 0.250 inches minimum and 0.255 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.

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.250 inches minimum and 0.255 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.018 inches minimum and 0.022 inches maximum
Overall Diameter: 0.494 inches minimum and 0.499 inches maximum
Material: steel comp 304 overall
Material Document And Classification: qq-s-766 fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-f-14072 mil 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
WS-5-20	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-456-9751?

The FSCG of the NSN 5310-01-456-9751 is 5310

Does the NSN 5310-01-456-9751 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-456-9751 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 5310-01-456-9751 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-456-9751 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 5310-01-456-9751 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Mon, Jul 6, 1998