7409857

View detailed technical data, stock status, and sourcing information for: 7409857
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-740-9857

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

A washer, round in shape, and having a centrally located hole. Its two flat parallel bearing surfaces are divided or cut along the radius, leaving a cleft, fissure, or cutaway portion across the rim which extends from the outer circumference to the washer hole and is always as large as, or larger than the diameter of the hole.

0.890 inches minimum and 0.906 inches maximum hole diameter, 0.134 inches nominal thickness, round peripheral shape style, rectangular cross-sectional shape style, round center hole 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: 0.890 inches minimum and 0.906 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.134 inches nominal
Overall Diameter: 1.625 inches nominal
Material: steel 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
1812N2	Flat Washer
7409857	Flat Washer
HCF222	Flat Washer
KC9312	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-740-9857?

The FSCG of the NSN 5310-00-740-9857 is 5310

Does the NSN 5310-00-740-9857 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-740-9857 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 5310-00-740-9857 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-740-9857 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 5310-00-740-9857 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963