CL21A7591-196

View detailed technical data, stock status, and sourcing information for: CL21A7591-196
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-255-4619

Item Name Code

07623

Assigment Date

01/01/1960 (66 years ago)

1.810 inches minimum and 1.870 inches maximum outside diameter, not casehardened casehardening indicator, 0.046 inches minimum and 0.048 inches maximum minor thickness, 0.059 inches minimum and 0.065 inches maximum major thickness, 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: 1.810 inches minimum and 1.870 inches maximum
Minor Thickness: 0.046 inches minimum and 0.048 inches maximum
Major Thickness: 0.059 inches minimum and 0.065 inches maximum
Ring Style: internal
Usage Design: internal
Material Hardness Rating: 47.0 rockwell c minimum and 52.0 rockwell c maximum
Material: steel
Material Document And Classification: fed std no. 66,fs1066 to fs1090 fed std single material response
Surface Treatment: cadmium and chromate

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
CL21A7591-196	Retaining Ring
MS16631-1165	Retaining Ring
MS16631-2165	Retaining Ring
N5002-165MD	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-255-4619?

The FSCG of the NSN 5325-00-255-4619 is 5325

Does the NSN 5325-00-255-4619 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-255-4619 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 5325-00-255-4619 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-255-4619 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 5325-00-255-4619 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960