6538C408-1

View detailed technical data, stock status, and sourcing information for: 6538C408-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-514-1290

Item Name Code

07623

Assigment Date

01/01/1963 (63 years ago)

0.121 inches minimum and 0.129 inches maximum major thickness, not casehardened casehardening indicator, 0.091 inches minimum and 0.097 inches maximum minor thickness, 5.523 inches minimum and 5.763 inches maximum outside diameter, beveled one outside corner 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: beveled one outside corner
Casehardening Indicator: not casehardened
Outside Diameter: 5.523 inches minimum and 5.763 inches maximum
Minor Thickness: 0.091 inches minimum and 0.097 inches maximum
Major Thickness: 0.121 inches minimum and 0.129 inches maximum
Ring Style: internal
Usage Design: internal
Material Hardness Rating: 45.0 rockwell c minimum and 50.0 rockwell c maximum
Material: steel
Material Document And Classification: fed std no. 66,1066 to 1090 fed std single material response
Surface Treatment: cadmium

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5365-00-664-2811	No Name Available	09/01/1988
5365-01-303-7760	No Name Available	09/04/1991

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
6538C408-1	Retaining Ring
MS16631-1525	Retaining Ring
MS16631-2525	Retaining Ring
N5002-525-S-ZD	Retaining Ring
N5002-525MD	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-514-1290?

The FSCG of the NSN 5325-00-514-1290 is 5325

Does the NSN 5325-00-514-1290 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-514-1290 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 5325-00-514-1290 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-514-1290 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 5325-00-514-1290 was assigned to the Federal Catalog?

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