20903D

View detailed technical data, stock status, and sourcing information for: 20903D
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-431-0612

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

0.531 inches nominal hole diameter, 0.188 inches nominal thickness, round center hole shape style, 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: 0.531 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.188 inches nominal
Overall Diameter: 1.312 inches nominal
Material: steel comp 1015 overall
Material Document And Classification: sae assn std single material 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
20903D	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-431-0612?

The FSCG of the NSN 5310-00-431-0612 is 5310

Does the NSN 5310-00-431-0612 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-431-0612 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 5310-00-431-0612 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-431-0612 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 5310-00-431-0612 was assigned to the Federal Catalog?

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