A3475-020-24A

View detailed technical data, stock status, and sourcing information for: A3475-020-24A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-639-7423

Item Name Code

15932

Assigment Date

01/01/1963 (63 years ago)

0.255 inches minimum and 0.265 inches maximum hole diameter, 0.546 inches nominal recess diameter, 0.802 inches minimum and 0.822 inches maximum outside diameter, 38.0 rockwell c minimum and 41.0 rockwell c maximum hardness rating, 0.010 inches minimum and 0.030 inches maximum material thickness

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.255 inches minimum and 0.265 inches maximum
Outside Diameter: 0.802 inches minimum and 0.822 inches maximum
Recess Diameter: 0.546 inches nominal
Material Thickness: 0.010 inches minimum and 0.030 inches maximum
Hardness Rating: 38.0 rockwell c minimum and 41.0 rockwell c maximum
Recess Angle: 99.0 degrees minimum and 102.0 degrees maximum
Material: steel overall
Surface Treatment: cadmium overall
Style Designator: finishing

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-596-4741	No Name Available	11/01/1992

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
A3475-020	Finishing Washer
A3475-020-24A	Finishing Washer
A3475-020-3	Finishing Washer

FAQs

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

What is the FSCG of the NSN 5310-00-639-7423?

The FSCG of the NSN 5310-00-639-7423 is 5310

Does the NSN 5310-00-639-7423 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-639-7423 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 5310-00-639-7423 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-639-7423 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 5310-00-639-7423 was assigned to the Federal Catalog?

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