50-4-10-9-5

View detailed technical data, stock status, and sourcing information for: 50-4-10-9-5
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-879-0928

Item Name Code

13393

Assigment Date

01/01/1962 (64 years ago)

round peripheral shape style, round center hole shape style, 0.271 inches minimum and 0.291 inches maximum hole diameter, 0.030 inches nominal thickness, rectangular cross-sectional 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: 0.271 inches minimum and 0.291 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.030 inches nominal
Overall Diameter: 0.625 inches nominal
Material: steel overall
Material Document And Classification: qq-s-698 fed spec single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-167-1395	No Name Available	10/02/2002
5310-00-579-1664	No Name Available	09/01/2023
5310-00-595-6032	Flat Washer	07/01/2025

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
124682-4-10-3	Flat Washer
280-4	Flat Washer
50-4-10-9-5	Flat Washer
S124682-4-10-3	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-879-0928?

The FSCG of the NSN 5310-00-879-0928 is 5310

Does the NSN 5310-00-879-0928 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-879-0928 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 5310-00-879-0928 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-879-0928 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 5310-00-879-0928 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962