B0523

View detailed technical data, stock status, and sourcing information for: B0523
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-231-0311

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

0.031 inches nominal thickness, rectangular cross-sectional shape style, round center hole shape style, round peripheral shape style, 0.222 inches minimum and 0.228 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: 0.222 inches minimum and 0.228 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.031 inches nominal
Overall Diameter: 0.375 inches nominal
Material: cellulose overall
Material Document And Classification: mil-f-10336 mil spec single material response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5330-00-424-1148	No Name Available	01/01/1963

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
23-194	Flat Washer
B0-523	Flat Washer
B0523	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-231-0311?

The FSCG of the NSN 5310-00-231-0311 is 5310

Does the NSN 5310-00-231-0311 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5310-00-231-0311 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 5310-00-231-0311 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-231-0311 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 5310-00-231-0311 was assigned to the Federal Catalog?

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